id	sid	tid	token	lemma	pos
fcis-1773	1	1	frontiers	frontier	NOUN
fcis-1773	1	2	in	in	ADP
fcis-1773	1	3	computing	computing	NOUN
fcis-1773	1	4	and	and	CCONJ
fcis-1773	1	5	intelligent	intelligent	ADJ
fcis-1773	1	6	systems	system	NOUN
fcis-1773	1	7	issn	issn	VERB
fcis-1773	1	8	:	:	PUNCT
fcis-1773	1	9	2832	2832	NUM
fcis-1773	1	10	-	-	SYM
fcis-1773	1	11	6024	6024	NUM
fcis-1773	1	12	|	|	NOUN
fcis-1773	1	13	vol	vol	NOUN
fcis-1773	1	14	.	.	PROPN
fcis-1773	2	1	1	1	NUM
fcis-1773	2	2	,	,	PUNCT
fcis-1773	2	3	no	no	INTJ
fcis-1773	2	4	.	.	NOUN
fcis-1773	2	5	2	2	NUM
fcis-1773	2	6	,	,	PUNCT
fcis-1773	2	7	2022	2022	NUM
fcis-1773	2	8	59	59	NUM
fcis-1773	2	9	blockchain	blockchain	NOUN
fcis-1773	2	10	-	-	PUNCT
fcis-1773	2	11	based	base	VERB
fcis-1773	2	12	communication	communication	NOUN
fcis-1773	2	13	mechanism	mechanism	NOUN
fcis-1773	2	14	for	for	ADP
fcis-1773	2	15	unmanned	unmanned	ADJ
fcis-1773	2	16	aircraft	aircraft	NOUN
fcis-1773	2	17	peizheng	peizheng	PROPN
fcis-1773	2	18	wang	wang	PROPN
fcis-1773	2	19	*	*	PROPN
fcis-1773	2	20	,	,	PUNCT
fcis-1773	2	21	xie	xie	PROPN
fcis-1773	2	22	wang	wang	PROPN
fcis-1773	2	23	school	school	PROPN
fcis-1773	2	24	of	of	ADP
fcis-1773	2	25	software	software	NOUN
fcis-1773	2	26	engineering	engineering	PROPN
fcis-1773	2	27	,	,	PUNCT
fcis-1773	2	28	chengdu	chengdu	PROPN
fcis-1773	2	29	university	university	PROPN
fcis-1773	2	30	of	of	ADP
fcis-1773	2	31	information	information	NOUN
fcis-1773	2	32	technology	technology	PROPN
fcis-1773	2	33	,	,	PUNCT
fcis-1773	2	34	chengdu	chengdu	PROPN
fcis-1773	2	35	610225	610225	NUM
fcis-1773	2	36	,	,	PUNCT
fcis-1773	2	37	china	china	PROPN
fcis-1773	2	38	*	*	PUNCT
fcis-1773	2	39	corresponding	correspond	VERB
fcis-1773	2	40	author	author	NOUN
fcis-1773	2	41	:	:	PUNCT
fcis-1773	2	42	peizheng	peizheng	PROPN
fcis-1773	2	43	wang	wang	PROPN
fcis-1773	2	44	(	(	PUNCT
fcis-1773	2	45	email	email	NOUN
fcis-1773	2	46	:	:	PUNCT
fcis-1773	2	47	peizhengwang2022@126.com	peizhengwang2022@126.com	NUM
fcis-1773	2	48	)	)	PUNCT
fcis-1773	2	49	abstract	abstract	NOUN
fcis-1773	2	50	:	:	PUNCT
fcis-1773	2	51	with	with	ADP
fcis-1773	2	52	the	the	DET
fcis-1773	2	53	maturity	maturity	NOUN
fcis-1773	2	54	of	of	ADP
fcis-1773	2	55	unmanned	unmanned	ADJ
fcis-1773	2	56	aircraft	aircraft	NOUN
fcis-1773	2	57	technology	technology	NOUN
fcis-1773	2	58	,	,	PUNCT
fcis-1773	2	59	unmanned	unmanned	ADJ
fcis-1773	2	60	aircraft	aircraft	NOUN
fcis-1773	2	61	have	have	VERB
fcis-1773	2	62	a	a	DET
fcis-1773	2	63	wide	wide	ADJ
fcis-1773	2	64	range	range	NOUN
fcis-1773	2	65	of	of	ADP
fcis-1773	2	66	applications	application	NOUN
fcis-1773	2	67	in	in	ADP
fcis-1773	2	68	areas	area	NOUN
fcis-1773	2	69	such	such	ADJ
fcis-1773	2	70	as	as	ADP
fcis-1773	2	71	public	public	ADJ
fcis-1773	2	72	safety	safety	NOUN
fcis-1773	2	73	.	.	PUNCT
fcis-1773	3	1	however	however	ADV
fcis-1773	3	2	,	,	PUNCT
fcis-1773	3	3	unmanned	unmanned	ADJ
fcis-1773	3	4	aircraft	aircraft	NOUN
fcis-1773	3	5	are	be	AUX
fcis-1773	3	6	frequently	frequently	ADV
fcis-1773	3	7	involved	involve	VERB
fcis-1773	3	8	in	in	ADP
fcis-1773	3	9	accidents	accident	NOUN
fcis-1773	3	10	due	due	ADP
fcis-1773	3	11	to	to	ADP
fcis-1773	3	12	network	network	NOUN
fcis-1773	3	13	intrusion	intrusion	NOUN
fcis-1773	3	14	,	,	PUNCT
fcis-1773	3	15	and	and	CCONJ
fcis-1773	3	16	it	it	PRON
fcis-1773	3	17	is	be	AUX
fcis-1773	3	18	urgent	urgent	ADJ
fcis-1773	3	19	to	to	PART
fcis-1773	3	20	ensure	ensure	VERB
fcis-1773	3	21	the	the	DET
fcis-1773	3	22	safety	safety	NOUN
fcis-1773	3	23	of	of	ADP
fcis-1773	3	24	unmanned	unmanned	ADJ
fcis-1773	3	25	aircraft	aircraft	NOUN
fcis-1773	3	26	networks	network	NOUN
fcis-1773	3	27	.	.	PUNCT
fcis-1773	4	1	this	this	DET
fcis-1773	4	2	paper	paper	NOUN
fcis-1773	4	3	first	first	ADV
fcis-1773	4	4	introduces	introduce	VERB
fcis-1773	4	5	the	the	DET
fcis-1773	4	6	current	current	ADJ
fcis-1773	4	7	situation	situation	NOUN
fcis-1773	4	8	and	and	CCONJ
fcis-1773	4	9	challenges	challenge	NOUN
fcis-1773	4	10	of	of	ADP
fcis-1773	4	11	unmanned	unmanned	ADJ
fcis-1773	4	12	aircraft	aircraft	NOUN
fcis-1773	4	13	and	and	CCONJ
fcis-1773	4	14	blockchain	blockchain	NOUN
fcis-1773	4	15	,	,	PUNCT
fcis-1773	4	16	and	and	CCONJ
fcis-1773	4	17	proposes	propose	VERB
fcis-1773	4	18	a	a	DET
fcis-1773	4	19	communication	communication	NOUN
fcis-1773	4	20	mechanism	mechanism	NOUN
fcis-1773	4	21	for	for	ADP
fcis-1773	4	22	unmanned	unmanned	ADJ
fcis-1773	4	23	aircraft	aircraft	NOUN
fcis-1773	4	24	based	base	VERB
fcis-1773	4	25	on	on	ADP
fcis-1773	4	26	blockchain	blockchain	PROPN
fcis-1773	4	27	technology	technology	PROPN
fcis-1773	4	28	to	to	PART
fcis-1773	4	29	achieve	achieve	VERB
fcis-1773	4	30	unmanned	unmanned	ADJ
fcis-1773	4	31	aircraft	aircraft	NOUN
fcis-1773	4	32	data	datum	NOUN
fcis-1773	4	33	security	security	NOUN
fcis-1773	4	34	and	and	CCONJ
fcis-1773	4	35	privacy	privacy	NOUN
fcis-1773	4	36	protection	protection	NOUN
fcis-1773	4	37	,	,	PUNCT
fcis-1773	4	38	multi	multi	ADJ
fcis-1773	4	39	-	-	ADJ
fcis-1773	4	40	party	party	ADJ
fcis-1773	4	41	data	datum	NOUN
fcis-1773	4	42	sharing	sharing	NOUN
fcis-1773	4	43	and	and	CCONJ
fcis-1773	4	44	data	datum	NOUN
fcis-1773	4	45	storage	storage	NOUN
fcis-1773	4	46	security	security	NOUN
fcis-1773	4	47	to	to	PART
fcis-1773	4	48	ensure	ensure	VERB
fcis-1773	4	49	unmanned	unmanned	ADJ
fcis-1773	4	50	aircraft	aircraft	NOUN
fcis-1773	4	51	network	network	NOUN
fcis-1773	4	52	security	security	NOUN
fcis-1773	4	53	.	.	PUNCT
fcis-1773	5	1	keywords	keyword	NOUN
fcis-1773	5	2	:	:	PUNCT
fcis-1773	6	1	blockchain	blockchain	NOUN
fcis-1773	6	2	;	;	PUNCT
fcis-1773	6	3	unmanned	unmanned	ADJ
fcis-1773	6	4	aircraft	aircraft	NOUN
fcis-1773	6	5	;	;	PUNCT
fcis-1773	6	6	security	security	NOUN
fcis-1773	6	7	,	,	PUNCT
fcis-1773	6	8	privacy	privacy	NOUN
fcis-1773	6	9	.	.	PUNCT
fcis-1773	7	1	1	1	X
fcis-1773	7	2	.	.	X
fcis-1773	7	3	introduction	introduction	NOUN
fcis-1773	7	4	unmanned	unmanned	ADJ
fcis-1773	7	5	aircraft	aircraft	NOUN
fcis-1773	7	6	technology	technology	NOUN
fcis-1773	7	7	,	,	PUNCT
fcis-1773	7	8	refers	refer	VERB
fcis-1773	7	9	to	to	ADP
fcis-1773	7	10	uas	uas	PROPN
fcis-1773	7	11	,	,	PUNCT
fcis-1773	7	12	uav	uav	PROPN
fcis-1773	7	13	engineering	engineering	PROPN
fcis-1773	7	14	and	and	CCONJ
fcis-1773	7	15	uav	uav	PROPN
fcis-1773	7	16	-	-	PUNCT
fcis-1773	7	17	related	relate	VERB
fcis-1773	7	18	application	application	NOUN
fcis-1773	7	19	technology	technology	NOUN
fcis-1773	7	20	[	[	X
fcis-1773	7	21	1	1	NUM
fcis-1773	7	22	]	]	PUNCT
fcis-1773	7	23	.	.	PUNCT
fcis-1773	8	1	with	with	ADP
fcis-1773	8	2	the	the	DET
fcis-1773	8	3	maturity	maturity	NOUN
fcis-1773	8	4	of	of	ADP
fcis-1773	8	5	unmanned	unmanned	ADJ
fcis-1773	8	6	aircraft	aircraft	NOUN
fcis-1773	8	7	technology	technology	NOUN
fcis-1773	8	8	,	,	PUNCT
fcis-1773	8	9	it	it	PRON
fcis-1773	8	10	has	have	AUX
fcis-1773	8	11	become	become	VERB
fcis-1773	8	12	possible	possible	ADJ
fcis-1773	8	13	to	to	PART
fcis-1773	8	14	use	use	VERB
fcis-1773	8	15	unmanned	unmanned	ADJ
fcis-1773	8	16	aircraft	aircraft	NOUN
fcis-1773	8	17	to	to	PART
fcis-1773	8	18	complete	complete	VERB
fcis-1773	8	19	some	some	DET
fcis-1773	8	20	difficult	difficult	ADJ
fcis-1773	8	21	and	and	CCONJ
fcis-1773	8	22	dangerous	dangerous	ADJ
fcis-1773	8	23	and	and	CCONJ
fcis-1773	8	24	toxic	toxic	ADJ
fcis-1773	8	25	work	work	NOUN
fcis-1773	8	26	that	that	PRON
fcis-1773	8	27	is	be	AUX
fcis-1773	8	28	difficult	difficult	ADJ
fcis-1773	8	29	for	for	SCONJ
fcis-1773	8	30	humans	human	NOUN
fcis-1773	8	31	to	to	PART
fcis-1773	8	32	complete	complete	VERB
fcis-1773	8	33	.	.	PUNCT
fcis-1773	9	1	through	through	ADP
fcis-1773	9	2	unmanned	unmanned	ADJ
fcis-1773	9	3	aircraft	aircraft	NOUN
fcis-1773	9	4	,	,	PUNCT
fcis-1773	9	5	plant	plant	NOUN
fcis-1773	9	6	protection	protection	NOUN
fcis-1773	9	7	,	,	PUNCT
fcis-1773	9	8	mapping	mapping	NOUN
fcis-1773	9	9	,	,	PUNCT
fcis-1773	9	10	photography	photography	NOUN
fcis-1773	9	11	,	,	PUNCT
fcis-1773	9	12	high	high	ADJ
fcis-1773	9	13	-	-	PUNCT
fcis-1773	9	14	voltage	voltage	NOUN
fcis-1773	9	15	cables	cable	NOUN
fcis-1773	9	16	and	and	CCONJ
fcis-1773	9	17	agricultural	agricultural	ADJ
fcis-1773	9	18	and	and	CCONJ
fcis-1773	9	19	forestry	forestry	NOUN
fcis-1773	9	20	patrols	patrol	NOUN
fcis-1773	9	21	can	can	AUX
fcis-1773	9	22	be	be	AUX
fcis-1773	9	23	carried	carry	VERB
fcis-1773	9	24	out	out	ADP
fcis-1773	9	25	,	,	PUNCT
fcis-1773	9	26	and	and	CCONJ
fcis-1773	9	27	unmanned	unmanned	ADJ
fcis-1773	9	28	aircraft	aircraft	NOUN
fcis-1773	9	29	also	also	ADV
fcis-1773	9	30	have	have	VERB
fcis-1773	9	31	a	a	DET
fcis-1773	9	32	broad	broad	ADJ
fcis-1773	9	33	application	application	NOUN
fcis-1773	9	34	space	space	NOUN
fcis-1773	9	35	in	in	ADP
fcis-1773	9	36	areas	area	NOUN
fcis-1773	9	37	such	such	ADJ
fcis-1773	9	38	as	as	ADP
fcis-1773	9	39	public	public	ADJ
fcis-1773	9	40	safety	safety	NOUN
fcis-1773	9	41	.	.	PUNCT
fcis-1773	10	1	however	however	ADV
fcis-1773	10	2	,	,	PUNCT
fcis-1773	10	3	unmanned	unmanned	ADJ
fcis-1773	10	4	aircraft	aircraft	NOUN
fcis-1773	10	5	are	be	AUX
fcis-1773	10	6	frequently	frequently	ADV
fcis-1773	10	7	involved	involve	VERB
fcis-1773	10	8	in	in	ADP
fcis-1773	10	9	accidents	accident	NOUN
fcis-1773	10	10	due	due	ADP
fcis-1773	10	11	to	to	ADP
fcis-1773	10	12	network	network	NOUN
fcis-1773	10	13	intrusions	intrusion	NOUN
fcis-1773	10	14	,	,	PUNCT
fcis-1773	10	15	which	which	PRON
fcis-1773	10	16	can	can	AUX
fcis-1773	10	17	lead	lead	VERB
fcis-1773	10	18	to	to	ADP
fcis-1773	10	19	casualties	casualty	NOUN
fcis-1773	10	20	if	if	SCONJ
fcis-1773	10	21	they	they	PRON
fcis-1773	10	22	are	be	AUX
fcis-1773	10	23	not	not	PART
fcis-1773	10	24	careful	careful	ADJ
fcis-1773	10	25	,	,	PUNCT
fcis-1773	10	26	so	so	CCONJ
fcis-1773	10	27	it	it	PRON
fcis-1773	10	28	is	be	AUX
fcis-1773	10	29	urgent	urgent	ADJ
fcis-1773	10	30	to	to	PART
fcis-1773	10	31	ensure	ensure	VERB
fcis-1773	10	32	their	their	PRON
fcis-1773	10	33	cyber	cyber	ADJ
fcis-1773	10	34	security	security	NOUN
fcis-1773	10	35	.	.	PUNCT
fcis-1773	11	1	in	in	ADP
fcis-1773	11	2	2012	2012	NUM
fcis-1773	11	3	,	,	PUNCT
fcis-1773	11	4	the	the	DET
fcis-1773	11	5	s-100	s-100	NUM
fcis-1773	11	6	unmanned	unmanned	ADJ
fcis-1773	11	7	aircraft	aircraft	NOUN
fcis-1773	11	8	test	test	NOUN
fcis-1773	11	9	in	in	ADP
fcis-1773	11	10	incheon	incheon	PROPN
fcis-1773	11	11	,	,	PUNCT
fcis-1773	11	12	south	south	PROPN
fcis-1773	11	13	korea	korea	PROPN
fcis-1773	11	14	,	,	PUNCT
fcis-1773	11	15	was	be	AUX
fcis-1773	11	16	interfered	interfere	VERB
fcis-1773	11	17	with	with	ADP
fcis-1773	11	18	,	,	PUNCT
fcis-1773	11	19	resulting	result	VERB
fcis-1773	11	20	in	in	ADP
fcis-1773	11	21	the	the	DET
fcis-1773	11	22	crash	crash	NOUN
fcis-1773	11	23	of	of	ADP
fcis-1773	11	24	the	the	DET
fcis-1773	11	25	unmanned	unmanned	ADJ
fcis-1773	11	26	aircraft	aircraft	NOUN
fcis-1773	11	27	and	and	CCONJ
fcis-1773	11	28	causing	cause	VERB
fcis-1773	11	29	casualties	casualty	NOUN
fcis-1773	11	30	.	.	PUNCT
fcis-1773	12	1	in	in	ADP
fcis-1773	12	2	2018	2018	NUM
fcis-1773	12	3	,	,	PUNCT
fcis-1773	12	4	the	the	DET
fcis-1773	12	5	xi'an	xi'an	PROPN
fcis-1773	12	6	unmanned	unmanned	ADJ
fcis-1773	12	7	aircraft	aircraft	NOUN
fcis-1773	12	8	formation	formation	NOUN
fcis-1773	12	9	shows	show	NOUN
fcis-1773	12	10	failed	fail	VERB
fcis-1773	12	11	due	due	ADJ
fcis-1773	12	12	to	to	ADP
fcis-1773	12	13	malicious	malicious	ADJ
fcis-1773	12	14	interference	interference	NOUN
fcis-1773	12	15	with	with	ADP
fcis-1773	12	16	some	some	DET
fcis-1773	12	17	unmanned	unmanned	ADJ
fcis-1773	12	18	aircraft	aircraft	NOUN
fcis-1773	12	19	signals	signal	NOUN
fcis-1773	12	20	.	.	PUNCT
fcis-1773	13	1	a	a	DET
fcis-1773	13	2	key	key	ADJ
fcis-1773	13	3	area	area	NOUN
fcis-1773	13	4	of	of	ADP
fcis-1773	13	5	research	research	NOUN
fcis-1773	13	6	.	.	PUNCT
fcis-1773	14	1	in	in	ADP
fcis-1773	14	2	recent	recent	ADJ
fcis-1773	14	3	years	year	NOUN
fcis-1773	14	4	,	,	PUNCT
fcis-1773	14	5	the	the	DET
fcis-1773	14	6	emerging	emerge	VERB
fcis-1773	14	7	blockchain	blockchain	PROPN
fcis-1773	14	8	technology	technology	NOUN
fcis-1773	14	9	has	have	AUX
fcis-1773	14	10	been	be	AUX
fcis-1773	14	11	developing	develop	VERB
fcis-1773	14	12	rapidly	rapidly	ADV
fcis-1773	14	13	and	and	CCONJ
fcis-1773	14	14	has	have	AUX
fcis-1773	14	15	attracted	attract	VERB
fcis-1773	14	16	widespread	widespread	ADJ
fcis-1773	14	17	attention	attention	NOUN
fcis-1773	14	18	from	from	ADP
fcis-1773	14	19	both	both	CCONJ
fcis-1773	14	20	academia	academia	NOUN
fcis-1773	14	21	and	and	CCONJ
fcis-1773	14	22	industry	industry	NOUN
fcis-1773	15	1	[	[	X
fcis-1773	15	2	2	2	NUM
fcis-1773	15	3	]	]	PUNCT
fcis-1773	15	4	.	.	PUNCT
fcis-1773	16	1	blockchain	blockchain	PROPN
fcis-1773	16	2	is	be	AUX
fcis-1773	16	3	a	a	DET
fcis-1773	16	4	distributed	distribute	VERB
fcis-1773	16	5	ledger	ledger	NOUN
fcis-1773	16	6	technology	technology	NOUN
fcis-1773	16	7	with	with	ADP
fcis-1773	16	8	key	key	ADJ
fcis-1773	16	9	features	feature	NOUN
fcis-1773	16	10	such	such	ADJ
fcis-1773	16	11	as	as	ADP
fcis-1773	16	12	decentralization	decentralization	NOUN
fcis-1773	16	13	,	,	PUNCT
fcis-1773	16	14	anonymity	anonymity	NOUN
fcis-1773	16	15	,	,	PUNCT
fcis-1773	16	16	difficulty	difficulty	NOUN
fcis-1773	16	17	in	in	ADP
fcis-1773	16	18	tampering	tampering	NOUN
fcis-1773	16	19	and	and	CCONJ
fcis-1773	16	20	auditability	auditability	NOUN
fcis-1773	16	21	,	,	PUNCT
fcis-1773	16	22	and	and	CCONJ
fcis-1773	16	23	is	be	AUX
fcis-1773	16	24	able	able	ADJ
fcis-1773	16	25	to	to	PART
fcis-1773	16	26	achieve	achieve	VERB
fcis-1773	16	27	peer	peer	NOUN
fcis-1773	16	28	-	-	PUNCT
fcis-1773	16	29	to	to	ADP
fcis-1773	16	30	-	-	PUNCT
fcis-1773	16	31	peer	peer	NOUN
fcis-1773	16	32	value	value	NOUN
fcis-1773	16	33	transfer	transfer	NOUN
fcis-1773	16	34	between	between	ADP
fcis-1773	16	35	unfamiliar	unfamiliar	ADJ
fcis-1773	16	36	nodes	node	NOUN
fcis-1773	16	37	in	in	ADP
fcis-1773	16	38	an	an	DET
fcis-1773	16	39	imperfectly	imperfectly	ADV
fcis-1773	16	40	trusted	trust	VERB
fcis-1773	16	41	environment	environment	NOUN
fcis-1773	16	42	through	through	ADP
fcis-1773	16	43	the	the	DET
fcis-1773	16	44	integrated	integrate	VERB
fcis-1773	16	45	use	use	NOUN
fcis-1773	16	46	of	of	ADP
fcis-1773	16	47	technologies	technology	NOUN
fcis-1773	16	48	such	such	ADJ
fcis-1773	16	49	as	as	ADP
fcis-1773	16	50	timestamps	timestamp	NOUN
fcis-1773	16	51	,	,	PUNCT
fcis-1773	16	52	cryptographic	cryptographic	ADJ
fcis-1773	16	53	hashes	hash	NOUN
fcis-1773	16	54	,	,	PUNCT
fcis-1773	16	55	digital	digital	ADJ
fcis-1773	16	56	signatures	signature	NOUN
fcis-1773	16	57	,	,	PUNCT
fcis-1773	16	58	consensus	consensus	NOUN
fcis-1773	16	59	mechanisms	mechanism	NOUN
fcis-1773	16	60	and	and	CCONJ
fcis-1773	16	61	smart	smart	ADJ
fcis-1773	16	62	contracts	contract	NOUN
fcis-1773	16	63	.	.	PUNCT
fcis-1773	17	1	the	the	DET
fcis-1773	17	2	application	application	NOUN
fcis-1773	17	3	between	between	ADP
fcis-1773	17	4	blockchain	blockchain	PROPN
fcis-1773	17	5	and	and	CCONJ
fcis-1773	17	6	unmanned	unmanned	ADJ
fcis-1773	17	7	aircraft	aircraft	NOUN
fcis-1773	17	8	has	have	AUX
fcis-1773	17	9	also	also	ADV
fcis-1773	17	10	been	be	AUX
fcis-1773	17	11	actively	actively	ADV
fcis-1773	17	12	explored	explore	VERB
fcis-1773	17	13	.	.	PUNCT
fcis-1773	18	1	there	there	PRON
fcis-1773	18	2	are	be	VERB
fcis-1773	18	3	views	view	NOUN
fcis-1773	18	4	that	that	SCONJ
fcis-1773	18	5	unmanned	unmanned	ADJ
fcis-1773	18	6	aircraft	aircraft	NOUN
fcis-1773	18	7	,	,	PUNCT
fcis-1773	18	8	as	as	ADP
fcis-1773	18	9	a	a	DET
fcis-1773	18	10	relatively	relatively	ADV
fcis-1773	18	11	mature	mature	ADJ
fcis-1773	18	12	application	application	NOUN
fcis-1773	18	13	in	in	ADP
fcis-1773	18	14	the	the	DET
fcis-1773	18	15	field	field	NOUN
fcis-1773	18	16	of	of	ADP
fcis-1773	18	17	internet	internet	NOUN
fcis-1773	18	18	of	of	ADP
fcis-1773	18	19	things	thing	NOUN
fcis-1773	18	20	and	and	CCONJ
fcis-1773	18	21	big	big	ADJ
fcis-1773	18	22	data	datum	NOUN
fcis-1773	18	23	,	,	PUNCT
fcis-1773	18	24	have	have	AUX
fcis-1773	18	25	a	a	DET
fcis-1773	18	26	wide	wide	ADJ
fcis-1773	18	27	range	range	NOUN
fcis-1773	18	28	of	of	ADP
fcis-1773	18	29	combination	combination	NOUN
fcis-1773	18	30	scenarios	scenario	NOUN
fcis-1773	18	31	with	with	ADP
fcis-1773	18	32	blockchain	blockchain	PROPN
fcis-1773	18	33	.	.	PUNCT
fcis-1773	19	1	but	but	CCONJ
fcis-1773	19	2	currently	currently	ADV
fcis-1773	19	3	,	,	PUNCT
fcis-1773	19	4	there	there	PRON
fcis-1773	19	5	are	be	VERB
fcis-1773	19	6	already	already	ADV
fcis-1773	19	7	many	many	ADJ
fcis-1773	19	8	companies	company	NOUN
fcis-1773	19	9	that	that	PRON
fcis-1773	19	10	have	have	AUX
fcis-1773	19	11	developed	develop	VERB
fcis-1773	19	12	blockchain	blockchain	PROPN
fcis-1773	19	13	technology	technology	NOUN
fcis-1773	19	14	in	in	ADP
fcis-1773	19	15	the	the	DET
fcis-1773	19	16	application	application	NOUN
fcis-1773	19	17	of	of	ADP
fcis-1773	19	18	unmanned	unmanned	ADJ
fcis-1773	19	19	aircraft	aircraft	NOUN
fcis-1773	19	20	.	.	PUNCT
fcis-1773	20	1	the	the	DET
fcis-1773	20	2	us	us	PROPN
fcis-1773	20	3	company	company	NOUN
fcis-1773	20	4	has	have	AUX
fcis-1773	20	5	partnered	partner	VERB
fcis-1773	20	6	with	with	ADP
fcis-1773	20	7	artificial	artificial	ADJ
fcis-1773	20	8	intelligence	intelligence	NOUN
fcis-1773	20	9	technology	technology	NOUN
fcis-1773	20	10	provider	provider	NOUN
fcis-1773	20	11	spark	spark	NOUN
fcis-1773	20	12	cognition	cognition	NOUN
fcis-1773	20	13	to	to	PART
fcis-1773	20	14	develop	develop	VERB
fcis-1773	20	15	a	a	DET
fcis-1773	20	16	blockchain	blockchain	PROPN
fcis-1773	20	17	technology	technology	NOUN
fcis-1773	20	18	-	-	PUNCT
fcis-1773	20	19	based	base	VERB
fcis-1773	20	20	unmanned	unmanned	ADJ
fcis-1773	20	21	aircraft	aircraft	NOUN
fcis-1773	20	22	tracking	tracking	NOUN
fcis-1773	20	23	system	system	NOUN
fcis-1773	20	24	and	and	CCONJ
fcis-1773	20	25	air	air	NOUN
fcis-1773	20	26	traffic	traffic	NOUN
fcis-1773	20	27	management	management	NOUN
fcis-1773	20	28	solution	solution	NOUN
fcis-1773	20	29	.	.	PUNCT
fcis-1773	21	1	both	both	DET
fcis-1773	21	2	parties	party	NOUN
fcis-1773	21	3	will	will	AUX
fcis-1773	21	4	use	use	VERB
fcis-1773	21	5	artificial	artificial	ADJ
fcis-1773	21	6	intelligence	intelligence	NOUN
fcis-1773	21	7	and	and	CCONJ
fcis-1773	21	8	blockchain	blockchain	PROPN
fcis-1773	21	9	technology	technology	PROPN
fcis-1773	21	10	to	to	PART
fcis-1773	21	11	track	track	VERB
fcis-1773	21	12	unmanned	unmanned	ADJ
fcis-1773	21	13	aerial	aerial	ADJ
fcis-1773	21	14	vehicles	vehicle	NOUN
fcis-1773	21	15	in	in	ADP
fcis-1773	21	16	flight	flight	NOUN
fcis-1773	21	17	and	and	CCONJ
fcis-1773	21	18	plan	plan	VERB
fcis-1773	21	19	traffic	traffic	NOUN
fcis-1773	21	20	routes	route	NOUN
fcis-1773	21	21	to	to	PART
fcis-1773	21	22	ensure	ensure	VERB
fcis-1773	21	23	transport	transport	NOUN
fcis-1773	21	24	safety	safety	NOUN
fcis-1773	21	25	.	.	PUNCT
fcis-1773	22	1	there	there	PRON
fcis-1773	22	2	are	be	VERB
fcis-1773	22	3	also	also	ADV
fcis-1773	22	4	plans	plan	NOUN
fcis-1773	22	5	to	to	PART
fcis-1773	22	6	provide	provide	VERB
fcis-1773	22	7	standardized	standardized	ADJ
fcis-1773	22	8	programming	programming	NOUN
fcis-1773	22	9	interfaces	interface	NOUN
fcis-1773	22	10	to	to	PART
fcis-1773	22	11	support	support	VERB
fcis-1773	22	12	parcel	parcel	NOUN
fcis-1773	22	13	delivery	delivery	NOUN
fcis-1773	22	14	,	,	PUNCT
fcis-1773	22	15	industrial	industrial	ADJ
fcis-1773	22	16	inspections	inspection	NOUN
fcis-1773	22	17	and	and	CCONJ
fcis-1773	22	18	other	other	ADJ
fcis-1773	22	19	commercial	commercial	ADJ
fcis-1773	22	20	applications	application	NOUN
fcis-1773	22	21	.	.	PUNCT
fcis-1773	23	1	in	in	ADP
fcis-1773	23	2	addition	addition	NOUN
fcis-1773	23	3	,	,	PUNCT
fcis-1773	23	4	boeing	boeing	PROPN
fcis-1773	23	5	is	be	AUX
fcis-1773	23	6	forming	form	VERB
fcis-1773	23	7	a	a	DET
fcis-1773	23	8	new	new	ADJ
fcis-1773	23	9	organization	organization	NOUN
fcis-1773	23	10	that	that	PRON
fcis-1773	23	11	will	will	AUX
fcis-1773	23	12	provide	provide	VERB
fcis-1773	23	13	cargo	cargo	NOUN
fcis-1773	23	14	transportation	transportation	NOUN
fcis-1773	23	15	and	and	CCONJ
fcis-1773	23	16	urban	urban	ADJ
fcis-1773	23	17	aviation	aviation	NOUN
fcis-1773	23	18	services	service	NOUN
fcis-1773	23	19	in	in	ADP
fcis-1773	23	20	the	the	DET
fcis-1773	23	21	future	future	ADJ
fcis-1773	23	22	mobile	mobile	ADJ
fcis-1773	23	23	ecosystem	ecosystem	NOUN
fcis-1773	23	24	.	.	PUNCT
fcis-1773	24	1	in	in	ADP
fcis-1773	24	2	september	september	PROPN
fcis-1773	24	3	2018	2018	NUM
fcis-1773	24	4	,	,	PUNCT
fcis-1773	24	5	ibm	ibm	PROPN
fcis-1773	24	6	detailed	detail	VERB
fcis-1773	24	7	in	in	ADP
fcis-1773	24	8	a	a	DET
fcis-1773	24	9	patent	patent	NOUN
fcis-1773	24	10	application	application	NOUN
fcis-1773	24	11	how	how	SCONJ
fcis-1773	24	12	its	its	PRON
fcis-1773	24	13	blockchain	blockchain	NOUN
fcis-1773	24	14	can	can	AUX
fcis-1773	24	15	be	be	AUX
fcis-1773	24	16	used	use	VERB
fcis-1773	24	17	to	to	PART
fcis-1773	24	18	store	store	VERB
fcis-1773	24	19	data	datum	NOUN
fcis-1773	24	20	related	relate	VERB
fcis-1773	24	21	to	to	ADP
fcis-1773	24	22	the	the	DET
fcis-1773	24	23	flight	flight	NOUN
fcis-1773	24	24	of	of	ADP
fcis-1773	24	25	unmanned	unmanned	ADJ
fcis-1773	24	26	aerial	aerial	ADJ
fcis-1773	24	27	vehicles	vehicle	NOUN
fcis-1773	24	28	(	(	PUNCT
fcis-1773	24	29	uavs	uavs	NOUN
fcis-1773	24	30	)	)	PUNCT
fcis-1773	24	31	,	,	PUNCT
fcis-1773	24	32	according	accord	VERB
fcis-1773	24	33	to	to	ADP
fcis-1773	24	34	documents	document	NOUN
fcis-1773	24	35	published	publish	VERB
fcis-1773	24	36	by	by	ADP
fcis-1773	24	37	the	the	DET
fcis-1773	24	38	united	united	PROPN
fcis-1773	24	39	states	states	PROPN
fcis-1773	24	40	patent	patent	PROPN
fcis-1773	24	41	and	and	CCONJ
fcis-1773	24	42	trademark	trademark	NOUN
fcis-1773	24	43	office	office	NOUN
fcis-1773	25	1	[	[	X
fcis-1773	25	2	3	3	NUM
fcis-1773	25	3	]	]	PUNCT
fcis-1773	25	4	.	.	PUNCT
fcis-1773	26	1	particularly	particularly	ADV
fcis-1773	26	2	in	in	ADP
fcis-1773	26	3	the	the	DET
fcis-1773	26	4	case	case	NOUN
fcis-1773	26	5	of	of	ADP
fcis-1773	26	6	high	high	ADJ
fcis-1773	26	7	security	security	NOUN
fcis-1773	26	8	risks	risk	NOUN
fcis-1773	26	9	,	,	PUNCT
fcis-1773	26	10	to	to	PART
fcis-1773	26	11	ensure	ensure	VERB
fcis-1773	26	12	effective	effective	ADJ
fcis-1773	26	13	regulation	regulation	NOUN
fcis-1773	26	14	by	by	ADP
fcis-1773	26	15	airspace	airspace	NOUN
fcis-1773	26	16	controllers	controller	NOUN
fcis-1773	26	17	and	and	CCONJ
fcis-1773	26	18	regulators	regulator	NOUN
fcis-1773	26	19	of	of	ADP
fcis-1773	26	20	the	the	DET
fcis-1773	26	21	increasing	increase	VERB
fcis-1773	26	22	number	number	NOUN
fcis-1773	26	23	of	of	ADP
fcis-1773	26	24	unmanned	unmanned	ADJ
fcis-1773	26	25	aircraft	aircraft	NOUN
fcis-1773	26	26	in	in	ADP
fcis-1773	26	27	the	the	DET
fcis-1773	26	28	sky	sky	NOUN
fcis-1773	26	29	.	.	PUNCT
fcis-1773	27	1	walmart	walmart	PROPN
fcis-1773	27	2	is	be	AUX
fcis-1773	27	3	also	also	ADV
fcis-1773	27	4	looking	look	VERB
fcis-1773	27	5	to	to	PART
fcis-1773	27	6	use	use	VERB
fcis-1773	27	7	blockchain	blockchain	PROPN
fcis-1773	27	8	technology	technology	NOUN
fcis-1773	27	9	to	to	PART
fcis-1773	27	10	secure	secure	VERB
fcis-1773	27	11	parcel	parcel	NOUN
fcis-1773	27	12	delivery	delivery	NOUN
fcis-1773	27	13	systems	system	NOUN
fcis-1773	27	14	throughout	throughout	ADP
fcis-1773	27	15	its	its	PRON
fcis-1773	27	16	supply	supply	NOUN
fcis-1773	27	17	chain	chain	NOUN
fcis-1773	27	18	of	of	ADP
fcis-1773	27	19	robots	robot	NOUN
fcis-1773	27	20	and	and	CCONJ
fcis-1773	27	21	self	self	NOUN
fcis-1773	27	22	-	-	PUNCT
fcis-1773	27	23	driving	drive	VERB
fcis-1773	27	24	cars	car	NOUN
fcis-1773	27	25	[	[	X
fcis-1773	27	26	4	4	NUM
fcis-1773	27	27	]	]	PUNCT
fcis-1773	27	28	.	.	PUNCT
fcis-1773	28	1	according	accord	VERB
fcis-1773	28	2	to	to	ADP
fcis-1773	28	3	the	the	DET
fcis-1773	28	4	us	us	PROPN
fcis-1773	28	5	patent	patent	NOUN
fcis-1773	28	6	and	and	CCONJ
fcis-1773	28	7	trademark	trademark	NOUN
fcis-1773	28	8	office	office	NOUN
fcis-1773	28	9	,	,	PUNCT
fcis-1773	28	10	walmart	walmart	PROPN
fcis-1773	28	11	filed	file	VERB
fcis-1773	28	12	a	a	DET
fcis-1773	28	13	patent	patent	NOUN
fcis-1773	28	14	application	application	NOUN
fcis-1773	28	15	for	for	ADP
fcis-1773	28	16	"	"	PUNCT
fcis-1773	28	17	blockchain	blockchain	PROPN
fcis-1773	28	18	technology	technology	NOUN
fcis-1773	28	19	application	application	NOUN
fcis-1773	28	20	for	for	ADP
fcis-1773	28	21	cloning	clone	VERB
fcis-1773	28	22	unmanned	unmanned	ADJ
fcis-1773	28	23	aircraft	aircraft	NOUN
fcis-1773	28	24	"	"	PUNCT
fcis-1773	28	25	in	in	ADP
fcis-1773	28	26	january	january	PROPN
fcis-1773	28	27	2019	2019	NUM
fcis-1773	28	28	,	,	PUNCT
fcis-1773	28	29	which	which	PRON
fcis-1773	28	30	was	be	AUX
fcis-1773	28	31	made	make	VERB
fcis-1773	28	32	public	public	ADJ
fcis-1773	28	33	on	on	ADP
fcis-1773	28	34	august	august	PROPN
fcis-1773	28	35	1	1	NUM
fcis-1773	28	36	.	.	PUNCT
fcis-1773	28	37	according	accord	VERB
fcis-1773	28	38	to	to	ADP
fcis-1773	28	39	the	the	DET
fcis-1773	28	40	disclosure	disclosure	NOUN
fcis-1773	28	41	,	,	PUNCT
fcis-1773	28	42	walmart	walmart	PROPN
fcis-1773	28	43	intends	intend	VERB
fcis-1773	28	44	to	to	PART
fcis-1773	28	45	apply	apply	VERB
fcis-1773	28	46	blockchain	blockchain	PROPN
fcis-1773	28	47	technology	technology	NOUN
fcis-1773	28	48	to	to	ADP
fcis-1773	28	49	the	the	DET
fcis-1773	28	50	transmission	transmission	NOUN
fcis-1773	28	51	of	of	ADP
fcis-1773	28	52	unmanned	unmanned	ADJ
fcis-1773	28	53	aircraft	aircraft	NOUN
fcis-1773	28	54	information	information	NOUN
fcis-1773	28	55	,	,	PUNCT
fcis-1773	28	56	including	include	VERB
fcis-1773	28	57	unmanned	unmanned	ADJ
fcis-1773	28	58	aircraft	aircraft	NOUN
fcis-1773	28	59	identification	identification	NOUN
fcis-1773	28	60	numbers	number	NOUN
fcis-1773	28	61	,	,	PUNCT
fcis-1773	28	62	flight	flight	NOUN
fcis-1773	28	63	altitude	altitude	NOUN
fcis-1773	28	64	,	,	PUNCT
fcis-1773	28	65	flight	flight	NOUN
fcis-1773	28	66	courier	courier	NOUN
fcis-1773	28	67	,	,	PUNCT
fcis-1773	28	68	flight	flight	NOUN
fcis-1773	28	69	path	path	NOUN
fcis-1773	28	70	,	,	PUNCT
fcis-1773	28	71	battery	battery	NOUN
fcis-1773	28	72	information	information	NOUN
fcis-1773	28	73	or	or	CCONJ
fcis-1773	28	74	loading	loading	NOUN
fcis-1773	28	75	capacity	capacity	NOUN
fcis-1773	28	76	,	,	PUNCT
fcis-1773	28	77	and	and	CCONJ
fcis-1773	28	78	can	can	AUX
fcis-1773	28	79	share	share	VERB
fcis-1773	28	80	information	information	NOUN
fcis-1773	28	81	based	base	VERB
fcis-1773	28	82	on	on	ADP
fcis-1773	28	83	intermediate	intermediate	ADJ
fcis-1773	28	84	locations	location	NOUN
fcis-1773	28	85	between	between	ADP
fcis-1773	28	86	unmanned	unmanned	ADJ
fcis-1773	28	87	aircraft	aircraft	NOUN
fcis-1773	28	88	.	.	PUNCT
fcis-1773	29	1	ajman	ajman	PROPN
fcis-1773	29	2	deep	deep	PROPN
fcis-1773	29	3	aero	aero	PROPN
fcis-1773	29	4	from	from	ADP
fcis-1773	29	5	the	the	DET
fcis-1773	29	6	uae	uae	PROPN
fcis-1773	29	7	is	be	AUX
fcis-1773	29	8	also	also	ADV
fcis-1773	29	9	developing	develop	VERB
fcis-1773	29	10	a	a	DET
fcis-1773	29	11	blockchain	blockchain	NOUN
fcis-1773	29	12	-	-	PUNCT
fcis-1773	29	13	based	base	VERB
fcis-1773	29	14	artificial	artificial	ADJ
fcis-1773	29	15	intelligence	intelligence	NOUN
fcis-1773	29	16	-	-	PUNCT
fcis-1773	29	17	powered	power	VERB
fcis-1773	29	18	,	,	PUNCT
fcis-1773	29	19	autonomous	autonomous	ADJ
fcis-1773	29	20	and	and	CCONJ
fcis-1773	29	21	home	home	NOUN
fcis-1773	29	22	-	-	PUNCT
fcis-1773	29	23	grown	grow	VERB
fcis-1773	29	24	intelligent	intelligent	ADJ
fcis-1773	29	25	unmanned	unmanned	ADJ
fcis-1773	29	26	aircraft	aircraft	NOUN
fcis-1773	29	27	systems	system	NOUN
fcis-1773	29	28	(	(	PUNCT
fcis-1773	29	29	uas	uas	NOUN
fcis-1773	29	30	)	)	PUNCT
fcis-1773	29	31	traffic	traffic	NOUN
fcis-1773	29	32	management	management	NOUN
fcis-1773	29	33	(	(	PUNCT
fcis-1773	29	34	utm	utm	NOUN
fcis-1773	29	35	)	)	PUNCT
fcis-1773	29	36	platform	platform	NOUN
fcis-1773	29	37	.	.	PUNCT
fcis-1773	30	1	the	the	DET
fcis-1773	30	2	platform	platform	NOUN
fcis-1773	30	3	can	can	AUX
fcis-1773	30	4	be	be	AUX
fcis-1773	30	5	used	use	VERB
fcis-1773	30	6	to	to	PART
fcis-1773	30	7	secure	secure	VERB
fcis-1773	30	8	unmanned	unmanned	ADJ
fcis-1773	30	9	low	low	ADJ
fcis-1773	30	10	-	-	PUNCT
fcis-1773	30	11	altitude	altitude	NOUN
fcis-1773	30	12	civil	civil	ADJ
fcis-1773	30	13	aviation	aviation	NOUN
fcis-1773	30	14	flights	flight	NOUN
fcis-1773	30	15	in	in	ADP
fcis-1773	30	16	shared	shared	ADJ
fcis-1773	30	17	airspace	airspace	NOUN
fcis-1773	30	18	.	.	PUNCT
fcis-1773	31	1	2	2	X
fcis-1773	31	2	.	.	X
fcis-1773	31	3	blockchain	blockchain	PROPN
fcis-1773	31	4	2.1	2.1	NUM
fcis-1773	31	5	.	.	PUNCT
fcis-1773	32	1	blockchain	blockchain	PROPN
fcis-1773	32	2	basic	basic	ADJ
fcis-1773	32	3	concepts	concept	NOUN
fcis-1773	32	4	originally	originally	ADV
fcis-1773	32	5	born	bear	VERB
fcis-1773	32	6	in	in	ADP
fcis-1773	32	7	2008	2008	NUM
fcis-1773	32	8	as	as	ADP
fcis-1773	32	9	"	"	PUNCT
fcis-1773	32	10	bitcoin	bitcoin	NOUN
fcis-1773	32	11	:	:	PUNCT
fcis-1773	32	12	a	a	DET
fcis-1773	32	13	peer	peer	NOUN
fcis-1773	32	14	-	-	PUNCT
fcis-1773	32	15	to	to	ADP
fcis-1773	32	16	-	-	PUNCT
fcis-1773	32	17	peer	peer	NOUN
fcis-1773	32	18	electronic	electronic	ADJ
fcis-1773	32	19	cash	cash	NOUN
fcis-1773	32	20	system	system	NOUN
fcis-1773	32	21	"	"	PUNCT
fcis-1773	32	22	by	by	ADP
fcis-1773	32	23	an	an	DET
fcis-1773	32	24	academic	academic	ADJ
fcis-1773	32	25	going	go	VERB
fcis-1773	32	26	by	by	ADP
fcis-1773	32	27	the	the	DET
fcis-1773	32	28	pseudonym	pseudonym	NOUN
fcis-1773	32	29	"	"	PUNCT
fcis-1773	32	30	satoshi	satoshi	PROPN
fcis-1773	32	31	nakamoto	nakamoto	NOUN
fcis-1773	32	32	"	"	PUNCT
fcis-1773	32	33	,	,	PUNCT
fcis-1773	32	34	blockchain	blockchain	PROPN
fcis-1773	32	35	is	be	AUX
fcis-1773	32	36	essentially	essentially	ADV
fcis-1773	32	37	a	a	DET
fcis-1773	32	38	decentralized	decentralized	ADJ
fcis-1773	32	39	database	database	NOUN
fcis-1773	32	40	[	[	X
fcis-1773	32	41	5	5	NUM
fcis-1773	32	42	]	]	PUNCT
fcis-1773	32	43	.	.	PUNCT
fcis-1773	33	1	autonomously	autonomously	ADV
fcis-1773	33	2	managed	manage	VERB
fcis-1773	33	3	through	through	ADP
fcis-1773	33	4	60	60	NUM
fcis-1773	33	5	a	a	DET
fcis-1773	33	6	peer	peer	NOUN
fcis-1773	33	7	-	-	PUNCT
fcis-1773	33	8	to	to	ADP
fcis-1773	33	9	-	-	PUNCT
fcis-1773	33	10	peer	peer	NOUN
fcis-1773	33	11	network	network	NOUN
fcis-1773	33	12	and	and	CCONJ
fcis-1773	33	13	distributed	distribute	VERB
fcis-1773	33	14	timestamp	timestamp	NOUN
fcis-1773	33	15	servers	server	NOUN
fcis-1773	33	16	,	,	PUNCT
fcis-1773	33	17	the	the	DET
fcis-1773	33	18	blockchain	blockchain	PROPN
fcis-1773	33	19	is	be	AUX
fcis-1773	33	20	a	a	DET
fcis-1773	33	21	data	data	NOUN
fcis-1773	33	22	structure	structure	NOUN
fcis-1773	33	23	used	use	VERB
fcis-1773	33	24	to	to	PART
fcis-1773	33	25	record	record	VERB
fcis-1773	33	26	the	the	DET
fcis-1773	33	27	history	history	NOUN
fcis-1773	33	28	of	of	ADP
fcis-1773	33	29	bitcoin	bitcoin	ADJ
fcis-1773	33	30	transaction	transaction	NOUN
fcis-1773	33	31	accounts	account	NOUN
fcis-1773	33	32	.	.	PUNCT
fcis-1773	34	1	blockchain	blockchain	PROPN
fcis-1773	34	2	technology	technology	PROPN
fcis-1773	34	3	replaces	replace	VERB
fcis-1773	34	4	traditional	traditional	ADJ
fcis-1773	34	5	centralized	centralize	VERB
fcis-1773	34	6	systems	system	NOUN
fcis-1773	34	7	based	base	VERB
fcis-1773	34	8	on	on	ADP
fcis-1773	34	9	central	central	ADJ
fcis-1773	34	10	trust	trust	NOUN
fcis-1773	34	11	through	through	ADP
fcis-1773	34	12	software	software	NOUN
fcis-1773	34	13	-	-	PUNCT
fcis-1773	34	14	defined	define	VERB
fcis-1773	34	15	credit	credit	NOUN
fcis-1773	34	16	,	,	PUNCT
fcis-1773	34	17	using	use	VERB
fcis-1773	34	18	a	a	DET
fcis-1773	34	19	distributed	distribute	VERB
fcis-1773	34	20	node	node	NOUN
fcis-1773	34	21	trust	trust	NOUN
fcis-1773	34	22	mechanism	mechanism	NOUN
fcis-1773	34	23	to	to	PART
fcis-1773	34	24	guarantee	guarantee	VERB
fcis-1773	34	25	that	that	SCONJ
fcis-1773	34	26	the	the	DET
fcis-1773	34	27	system	system	NOUN
fcis-1773	34	28	records	record	NOUN
fcis-1773	34	29	,	,	PUNCT
fcis-1773	34	30	transmits	transmit	NOUN
fcis-1773	34	31	and	and	CCONJ
fcis-1773	34	32	stores	store	VERB
fcis-1773	34	33	the	the	DET
fcis-1773	34	34	activity	activity	NOUN
fcis-1773	34	35	of	of	ADP
fcis-1773	34	36	value	value	NOUN
fcis-1773	34	37	transfer	transfer	NOUN
fcis-1773	34	38	.	.	PUNCT
fcis-1773	35	1	blockchain	blockchain	PROPN
fcis-1773	35	2	guarantees	guarantee	VERB
fcis-1773	35	3	data	datum	NOUN
fcis-1773	35	4	consistency	consistency	NOUN
fcis-1773	35	5	through	through	ADP
fcis-1773	35	6	consensus	consensus	NOUN
fcis-1773	35	7	mechanisms	mechanism	NOUN
fcis-1773	35	8	,	,	PUNCT
fcis-1773	35	9	and	and	CCONJ
fcis-1773	35	10	data	datum	NOUN
fcis-1773	35	11	confidentiality	confidentiality	NOUN
fcis-1773	35	12	and	and	CCONJ
fcis-1773	35	13	security	security	NOUN
fcis-1773	35	14	through	through	ADP
fcis-1773	35	15	cryptographic	cryptographic	ADJ
fcis-1773	35	16	algorithms	algorithm	NOUN
fcis-1773	35	17	.	.	PUNCT
fcis-1773	36	1	the	the	DET
fcis-1773	36	2	structure	structure	NOUN
fcis-1773	36	3	of	of	ADP
fcis-1773	36	4	the	the	DET
fcis-1773	36	5	blockchain	blockchain	PROPN
fcis-1773	36	6	is	be	AUX
fcis-1773	36	7	shown	show	VERB
fcis-1773	36	8	in	in	ADP
fcis-1773	36	9	figure	figure	NOUN
fcis-1773	36	10	1	1	NUM
fcis-1773	36	11	.	.	PUNCT
fcis-1773	36	12	figure	figure	NOUN
fcis-1773	36	13	1	1	NUM
fcis-1773	36	14	.	.	PUNCT
fcis-1773	37	1	the	the	DET
fcis-1773	37	2	structure	structure	NOUN
fcis-1773	37	3	of	of	ADP
fcis-1773	37	4	the	the	DET
fcis-1773	37	5	blockchain	blockchain	PROPN
fcis-1773	37	6	blockchain	blockchain	PROPN
fcis-1773	37	7	technology	technology	PROPN
fcis-1773	37	8	guarantees	guarantee	VERB
fcis-1773	37	9	decentralization	decentralization	NOUN
fcis-1773	37	10	or	or	CCONJ
fcis-1773	37	11	weak	weak	ADJ
fcis-1773	37	12	centralization	centralization	NOUN
fcis-1773	37	13	through	through	ADP
fcis-1773	37	14	distributed	distribute	VERB
fcis-1773	37	15	ledgers	ledger	NOUN
fcis-1773	37	16	,	,	PUNCT
fcis-1773	37	17	privacy	privacy	NOUN
fcis-1773	37	18	and	and	CCONJ
fcis-1773	37	19	tamper	tamper	ADJ
fcis-1773	37	20	-	-	PUNCT
fcis-1773	37	21	evident	evident	ADJ
fcis-1773	37	22	characteristics	characteristic	NOUN
fcis-1773	37	23	of	of	ADP
fcis-1773	37	24	data	datum	NOUN
fcis-1773	37	25	through	through	ADP
fcis-1773	37	26	cryptographic	cryptographic	ADJ
fcis-1773	37	27	foundations	foundation	NOUN
fcis-1773	37	28	,	,	PUNCT
fcis-1773	37	29	and	and	CCONJ
fcis-1773	37	30	consistency	consistency	NOUN
fcis-1773	37	31	of	of	ADP
fcis-1773	37	32	data	datum	NOUN
fcis-1773	37	33	in	in	ADP
fcis-1773	37	34	distributed	distribute	VERB
fcis-1773	37	35	ledgers	ledger	NOUN
fcis-1773	37	36	through	through	ADP
fcis-1773	37	37	consensus	consensus	NOUN
fcis-1773	37	38	mechanisms	mechanism	NOUN
fcis-1773	37	39	.	.	PUNCT
fcis-1773	38	1	taken	take	VERB
fcis-1773	38	2	together	together	ADV
fcis-1773	38	3	,	,	PUNCT
fcis-1773	38	4	blockchain	blockchain	PROPN
fcis-1773	38	5	has	have	VERB
fcis-1773	38	6	the	the	DET
fcis-1773	38	7	following	follow	VERB
fcis-1773	38	8	characteristics	characteristic	NOUN
fcis-1773	38	9	[	[	X
fcis-1773	38	10	6	6	NUM
fcis-1773	38	11	]	]	PUNCT
fcis-1773	38	12	.	.	PUNCT
fcis-1773	39	1	(	(	PUNCT
fcis-1773	39	2	1	1	X
fcis-1773	39	3	)	)	PUNCT
fcis-1773	39	4	decentralization	decentralization	NOUN
fcis-1773	39	5	compared	compare	VERB
fcis-1773	39	6	with	with	ADP
fcis-1773	39	7	the	the	DET
fcis-1773	39	8	traditional	traditional	ADJ
fcis-1773	39	9	centralized	centralize	VERB
fcis-1773	39	10	model	model	NOUN
fcis-1773	39	11	,	,	PUNCT
fcis-1773	39	12	blockchain	blockchain	PROPN
fcis-1773	39	13	removes	remove	VERB
fcis-1773	39	14	or	or	CCONJ
fcis-1773	39	15	weakens	weaken	VERB
fcis-1773	39	16	the	the	DET
fcis-1773	39	17	presence	presence	NOUN
fcis-1773	39	18	of	of	ADP
fcis-1773	39	19	third	third	ADJ
fcis-1773	39	20	parties	party	NOUN
fcis-1773	39	21	and	and	CCONJ
fcis-1773	39	22	uses	use	VERB
fcis-1773	39	23	consensus	consensus	NOUN
fcis-1773	39	24	mechanisms	mechanism	NOUN
fcis-1773	39	25	to	to	PART
fcis-1773	39	26	ensure	ensure	VERB
fcis-1773	39	27	data	datum	NOUN
fcis-1773	39	28	consistency	consistency	NOUN
fcis-1773	39	29	in	in	ADP
fcis-1773	39	30	the	the	DET
fcis-1773	39	31	distributed	distribute	VERB
fcis-1773	39	32	network	network	NOUN
fcis-1773	39	33	.	.	PUNCT
fcis-1773	40	1	(	(	PUNCT
fcis-1773	40	2	2	2	X
fcis-1773	40	3	)	)	PUNCT
fcis-1773	40	4	non	non	ADJ
fcis-1773	40	5	-	-	ADJ
fcis-1773	40	6	tamper	tamper	ADJ
fcis-1773	40	7	ability	ability	NOUN
fcis-1773	40	8	once	once	ADV
fcis-1773	40	9	a	a	DET
fcis-1773	40	10	transaction	transaction	NOUN
fcis-1773	40	11	exists	exist	VERB
fcis-1773	40	12	in	in	ADP
fcis-1773	40	13	the	the	DET
fcis-1773	40	14	blockchain	blockchain	NOUN
fcis-1773	40	15	,	,	PUNCT
fcis-1773	40	16	it	it	PRON
fcis-1773	40	17	is	be	AUX
fcis-1773	40	18	almost	almost	ADV
fcis-1773	40	19	impossible	impossible	ADJ
fcis-1773	40	20	to	to	PART
fcis-1773	40	21	be	be	AUX
fcis-1773	40	22	deleted	delete	VERB
fcis-1773	40	23	or	or	CCONJ
fcis-1773	40	24	have	have	VERB
fcis-1773	40	25	a	a	DET
fcis-1773	40	26	rollback	rollback	NOUN
fcis-1773	40	27	.	.	PUNCT
fcis-1773	41	1	in	in	ADP
fcis-1773	41	2	addition	addition	NOUN
fcis-1773	41	3	,	,	PUNCT
fcis-1773	41	4	the	the	DET
fcis-1773	41	5	blockchain	blockchain	PROPN
fcis-1773	41	6	can	can	AUX
fcis-1773	41	7	quickly	quickly	ADV
fcis-1773	41	8	detect	detect	VERB
fcis-1773	41	9	blocks	block	NOUN
fcis-1773	41	10	containing	contain	VERB
fcis-1773	41	11	invalid	invalid	ADJ
fcis-1773	41	12	transactions	transaction	NOUN
fcis-1773	41	13	through	through	ADP
fcis-1773	41	14	validation	validation	NOUN
fcis-1773	41	15	.	.	PUNCT
fcis-1773	42	1	(	(	PUNCT
fcis-1773	42	2	3	3	X
fcis-1773	42	3	)	)	PUNCT
fcis-1773	42	4	anonymity	anonymity	NOUN
fcis-1773	42	5	blockchain	blockchain	PROPN
fcis-1773	42	6	technology	technology	PROPN
fcis-1773	42	7	uses	use	VERB
fcis-1773	42	8	an	an	DET
fcis-1773	42	9	address	address	NOUN
fcis-1773	42	10	linked	link	VERB
fcis-1773	42	11	to	to	ADP
fcis-1773	42	12	the	the	DET
fcis-1773	42	13	user	user	NOUN
fcis-1773	42	14	's	's	PART
fcis-1773	42	15	public	public	ADJ
fcis-1773	42	16	key	key	NOUN
fcis-1773	42	17	as	as	ADP
fcis-1773	42	18	the	the	DET
fcis-1773	42	19	user	user	NOUN
fcis-1773	42	20	's	's	PART
fcis-1773	42	21	representation	representation	NOUN
fcis-1773	42	22	,	,	PUNCT
fcis-1773	42	23	and	and	CCONJ
fcis-1773	42	24	the	the	DET
fcis-1773	42	25	user	user	NOUN
fcis-1773	42	26	only	only	ADV
fcis-1773	42	27	needs	need	VERB
fcis-1773	42	28	to	to	PART
fcis-1773	42	29	disclose	disclose	VERB
fcis-1773	42	30	the	the	DET
fcis-1773	42	31	address	address	NOUN
fcis-1773	42	32	without	without	ADP
fcis-1773	42	33	disclosing	disclose	VERB
fcis-1773	42	34	his	his	PRON
fcis-1773	42	35	or	or	CCONJ
fcis-1773	42	36	her	her	PRON
fcis-1773	42	37	true	true	ADJ
fcis-1773	42	38	identity	identity	NOUN
fcis-1773	42	39	,	,	PUNCT
fcis-1773	42	40	so	so	SCONJ
fcis-1773	42	41	it	it	PRON
fcis-1773	42	42	has	have	VERB
fcis-1773	42	43	a	a	DET
fcis-1773	42	44	certain	certain	ADJ
fcis-1773	42	45	degree	degree	NOUN
fcis-1773	42	46	of	of	ADP
fcis-1773	42	47	anonymity	anonymity	NOUN
fcis-1773	42	48	.	.	PUNCT
fcis-1773	43	1	(	(	PUNCT
fcis-1773	43	2	4	4	X
fcis-1773	43	3	)	)	PUNCT
fcis-1773	43	4	traceability	traceability	NOUN
fcis-1773	43	5	this	this	DET
fcis-1773	43	6	feature	feature	NOUN
fcis-1773	43	7	is	be	AUX
fcis-1773	43	8	based	base	VERB
fcis-1773	43	9	on	on	ADP
fcis-1773	43	10	the	the	DET
fcis-1773	43	11	utxo	utxo	NOUN
fcis-1773	43	12	(	(	PUNCT
fcis-1773	43	13	unspent	unspent	ADJ
fcis-1773	43	14	transaction	transaction	NOUN
fcis-1773	43	15	outputs	output	NOUN
fcis-1773	43	16	)	)	PUNCT
fcis-1773	43	17	transaction	transaction	NOUN
fcis-1773	43	18	model	model	NOUN
fcis-1773	43	19	.	.	PUNCT
fcis-1773	44	1	the	the	DET
fcis-1773	44	2	genesis	genesis	NOUN
fcis-1773	44	3	block	block	NOUN
fcis-1773	44	4	is	be	AUX
fcis-1773	44	5	the	the	DET
fcis-1773	44	6	first	first	ADJ
fcis-1773	44	7	block	block	NOUN
fcis-1773	44	8	,	,	PUNCT
fcis-1773	44	9	except	except	SCONJ
fcis-1773	44	10	that	that	SCONJ
fcis-1773	44	11	all	all	DET
fcis-1773	44	12	transactions	transaction	NOUN
fcis-1773	44	13	in	in	ADP
fcis-1773	44	14	the	the	DET
fcis-1773	44	15	block	block	NOUN
fcis-1773	44	16	will	will	AUX
fcis-1773	44	17	have	have	AUX
fcis-1773	44	18	several	several	ADJ
fcis-1773	44	19	inputs	input	NOUN
fcis-1773	44	20	and	and	CCONJ
fcis-1773	44	21	outputs	output	NOUN
fcis-1773	44	22	,	,	PUNCT
fcis-1773	44	23	and	and	CCONJ
fcis-1773	44	24	the	the	DET
fcis-1773	44	25	source	source	NOUN
fcis-1773	44	26	of	of	ADP
fcis-1773	44	27	a	a	DET
fcis-1773	44	28	transaction	transaction	NOUN
fcis-1773	44	29	must	must	AUX
fcis-1773	44	30	be	be	AUX
fcis-1773	44	31	the	the	DET
fcis-1773	44	32	unused	unused	ADJ
fcis-1773	44	33	output	output	NOUN
fcis-1773	44	34	of	of	ADP
fcis-1773	44	35	another	another	DET
fcis-1773	44	36	transaction	transaction	NOUN
fcis-1773	44	37	,	,	PUNCT
fcis-1773	44	38	and	and	CCONJ
fcis-1773	44	39	the	the	DET
fcis-1773	44	40	input	input	NOUN
fcis-1773	44	41	of	of	ADP
fcis-1773	44	42	this	this	DET
fcis-1773	44	43	transaction	transaction	NOUN
fcis-1773	44	44	is	be	AUX
fcis-1773	44	45	accompanied	accompany	VERB
fcis-1773	44	46	by	by	ADP
fcis-1773	44	47	the	the	DET
fcis-1773	44	48	digital	digital	ADJ
fcis-1773	44	49	signature	signature	NOUN
fcis-1773	44	50	of	of	ADP
fcis-1773	44	51	the	the	DET
fcis-1773	44	52	private	private	ADJ
fcis-1773	44	53	key	key	NOUN
fcis-1773	44	54	corresponding	corresponding	NOUN
fcis-1773	44	55	to	to	ADP
fcis-1773	44	56	the	the	DET
fcis-1773	44	57	address	address	NOUN
fcis-1773	44	58	of	of	ADP
fcis-1773	44	59	the	the	DET
fcis-1773	44	60	previous	previous	ADJ
fcis-1773	44	61	output	output	NOUN
fcis-1773	44	62	,	,	PUNCT
fcis-1773	44	63	and	and	CCONJ
fcis-1773	44	64	every	every	DET
fcis-1773	44	65	node	node	NOUN
fcis-1773	44	66	in	in	ADP
fcis-1773	44	67	the	the	DET
fcis-1773	44	68	current	current	ADJ
fcis-1773	44	69	network	network	NOUN
fcis-1773	44	70	maintains	maintain	VERB
fcis-1773	44	71	the	the	DET
fcis-1773	44	72	utxo	utxo	PROPN
fcis-1773	44	73	transaction	transaction	PROPN
fcis-1773	44	74	mode	mode	NOUN
fcis-1773	44	75	,	,	PUNCT
fcis-1773	44	76	and	and	CCONJ
fcis-1773	44	77	the	the	DET
fcis-1773	44	78	transaction	transaction	NOUN
fcis-1773	44	79	satisfies	satisfy	VERB
fcis-1773	44	80	the	the	DET
fcis-1773	44	81	utxo	utxo	PROPN
fcis-1773	44	82	transaction	transaction	PROPN
fcis-1773	44	83	mode	mode	NOUN
fcis-1773	44	84	and	and	CCONJ
fcis-1773	44	85	the	the	DET
fcis-1773	44	86	transaction	transaction	NOUN
fcis-1773	44	87	is	be	AUX
fcis-1773	44	88	considered	consider	VERB
fcis-1773	44	89	legitimate	legitimate	ADJ
fcis-1773	44	90	only	only	ADV
fcis-1773	44	91	if	if	SCONJ
fcis-1773	44	92	it	it	PRON
fcis-1773	44	93	satisfies	satisfy	VERB
fcis-1773	44	94	the	the	DET
fcis-1773	44	95	utxo	utxo	PROPN
fcis-1773	44	96	transaction	transaction	NOUN
fcis-1773	44	97	pattern	pattern	NOUN
fcis-1773	44	98	and	and	CCONJ
fcis-1773	44	99	the	the	DET
fcis-1773	44	100	digital	digital	ADJ
fcis-1773	44	101	signature	signature	NOUN
fcis-1773	44	102	is	be	AUX
fcis-1773	44	103	correct	correct	ADJ
fcis-1773	44	104	.	.	PUNCT
fcis-1773	45	1	therefore	therefore	ADV
fcis-1773	45	2	,	,	PUNCT
fcis-1773	45	3	it	it	PRON
fcis-1773	45	4	is	be	AUX
fcis-1773	45	5	not	not	PART
fcis-1773	45	6	necessary	necessary	ADJ
fcis-1773	45	7	to	to	PART
fcis-1773	45	8	trace	trace	VERB
fcis-1773	45	9	the	the	DET
fcis-1773	45	10	entire	entire	ADJ
fcis-1773	45	11	history	history	NOUN
fcis-1773	45	12	to	to	PART
fcis-1773	45	13	confirm	confirm	VERB
fcis-1773	45	14	that	that	SCONJ
fcis-1773	45	15	the	the	DET
fcis-1773	45	16	current	current	ADJ
fcis-1773	45	17	transaction	transaction	NOUN
fcis-1773	45	18	is	be	AUX
fcis-1773	45	19	legitimate	legitimate	ADJ
fcis-1773	45	20	.	.	PUNCT
fcis-1773	46	1	2.2	2.2	NUM
fcis-1773	46	2	.	.	PUNCT
fcis-1773	47	1	consensus	consensus	NOUN
fcis-1773	47	2	mechanisms	mechanism	NOUN
fcis-1773	47	3	how	how	SCONJ
fcis-1773	47	4	to	to	PART
fcis-1773	47	5	reach	reach	VERB
fcis-1773	47	6	consensus	consensus	NOUN
fcis-1773	47	7	among	among	ADP
fcis-1773	47	8	many	many	ADJ
fcis-1773	47	9	nodes	node	NOUN
fcis-1773	47	10	efficiently	efficiently	ADV
fcis-1773	47	11	is	be	AUX
fcis-1773	47	12	the	the	DET
fcis-1773	47	13	core	core	ADJ
fcis-1773	47	14	technical	technical	ADJ
fcis-1773	47	15	problem	problem	NOUN
fcis-1773	47	16	of	of	ADP
fcis-1773	47	17	distributed	distribute	VERB
fcis-1773	47	18	systems	system	NOUN
fcis-1773	47	19	in	in	ADP
fcis-1773	47	20	which	which	PRON
fcis-1773	47	21	nodes	node	NOUN
fcis-1773	47	22	are	be	AUX
fcis-1773	47	23	decentralized	decentralize	VERB
fcis-1773	47	24	to	to	PART
fcis-1773	47	25	handle	handle	VERB
fcis-1773	47	26	transactions	transaction	NOUN
fcis-1773	47	27	.	.	PUNCT
fcis-1773	48	1	blockchain	blockchain	NOUN
fcis-1773	48	2	as	as	ADP
fcis-1773	48	3	a	a	DET
fcis-1773	48	4	distributed	distribute	VERB
fcis-1773	48	5	system	system	NOUN
fcis-1773	48	6	application	application	NOUN
fcis-1773	48	7	,	,	PUNCT
fcis-1773	48	8	bitcoin	bitcoin	PROPN
fcis-1773	48	9	uses	use	VERB
fcis-1773	48	10	pow	pow	NOUN
fcis-1773	48	11	proof	proof	ADJ
fcis-1773	48	12	-	-	PUNCT
fcis-1773	48	13	ofwork	ofwork	NOUN
fcis-1773	48	14	algorithm	algorithm	NOUN
fcis-1773	48	15	combined	combine	VERB
fcis-1773	48	16	with	with	ADP
fcis-1773	48	17	incentive	incentive	NOUN
fcis-1773	48	18	mechanism	mechanism	NOUN
fcis-1773	48	19	and	and	CCONJ
fcis-1773	48	20	cryptography	cryptography	NOUN
fcis-1773	48	21	to	to	PART
fcis-1773	48	22	solve	solve	VERB
fcis-1773	48	23	the	the	DET
fcis-1773	48	24	byzantine	byzantine	ADJ
fcis-1773	48	25	fault	fault	VERB
fcis-1773	48	26	tolerance	tolerance	NOUN
fcis-1773	48	27	problem	problem	NOUN
fcis-1773	48	28	.	.	PUNCT
fcis-1773	49	1	however	however	ADV
fcis-1773	49	2	,	,	PUNCT
fcis-1773	49	3	blockchains	blockchain	NOUN
fcis-1773	49	4	can	can	AUX
fcis-1773	49	5	be	be	AUX
fcis-1773	49	6	divided	divide	VERB
fcis-1773	49	7	into	into	ADP
fcis-1773	49	8	blockchains	blockchain	NOUN
fcis-1773	49	9	with	with	ADP
fcis-1773	49	10	very	very	ADV
fcis-1773	49	11	different	different	ADJ
fcis-1773	49	12	degrees	degree	NOUN
fcis-1773	49	13	of	of	ADP
fcis-1773	49	14	decentralization	decentralization	NOUN
fcis-1773	49	15	depending	depend	VERB
fcis-1773	49	16	on	on	ADP
fcis-1773	49	17	the	the	DET
fcis-1773	49	18	application	application	NOUN
fcis-1773	49	19	scenario	scenario	NOUN
fcis-1773	49	20	,	,	PUNCT
fcis-1773	49	21	which	which	PRON
fcis-1773	49	22	requires	require	VERB
fcis-1773	49	23	different	different	ADJ
fcis-1773	49	24	consensus	consensus	NOUN
fcis-1773	49	25	mechanisms	mechanism	NOUN
fcis-1773	49	26	to	to	PART
fcis-1773	49	27	cope	cope	VERB
fcis-1773	49	28	with	with	ADP
fcis-1773	49	29	the	the	DET
fcis-1773	49	30	consensus	consensus	NOUN
fcis-1773	49	31	problem	problem	NOUN
fcis-1773	49	32	of	of	ADP
fcis-1773	49	33	distributed	distribute	VERB
fcis-1773	49	34	systems	system	NOUN
fcis-1773	49	35	.	.	PUNCT
fcis-1773	50	1	the	the	DET
fcis-1773	50	2	development	development	NOUN
fcis-1773	50	3	of	of	ADP
fcis-1773	50	4	blockchain	blockchain	PROPN
fcis-1773	50	5	has	have	AUX
fcis-1773	50	6	so	so	ADV
fcis-1773	50	7	far	far	ADV
fcis-1773	50	8	produced	produce	VERB
fcis-1773	50	9	many	many	ADJ
fcis-1773	50	10	new	new	ADJ
fcis-1773	50	11	consensus	consensus	NOUN
fcis-1773	50	12	algorithms	algorithm	NOUN
fcis-1773	50	13	that	that	PRON
fcis-1773	50	14	can	can	AUX
fcis-1773	50	15	solve	solve	VERB
fcis-1773	50	16	the	the	DET
fcis-1773	50	17	byzantine	byzantine	ADJ
fcis-1773	50	18	fault	fault	VERB
fcis-1773	50	19	tolerance	tolerance	NOUN
fcis-1773	50	20	problem	problem	NOUN
fcis-1773	50	21	,	,	PUNCT
fcis-1773	50	22	and	and	CCONJ
fcis-1773	50	23	four	four	NUM
fcis-1773	50	24	of	of	ADP
fcis-1773	50	25	the	the	DET
fcis-1773	50	26	mainstream	mainstream	NOUN
fcis-1773	50	27	algorithms	algorithm	NOUN
fcis-1773	50	28	are	be	AUX
fcis-1773	50	29	listed	list	VERB
fcis-1773	50	30	below	below	ADP
fcis-1773	50	31	for	for	ADP
fcis-1773	50	32	introduction	introduction	NOUN
fcis-1773	50	33	.	.	PUNCT
fcis-1773	51	1	the	the	DET
fcis-1773	51	2	proof	proof	NOUN
fcis-1773	51	3	-	-	PUNCT
fcis-1773	51	4	of	of	ADP
fcis-1773	51	5	-	-	PUNCT
fcis-1773	51	6	work	work	NOUN
fcis-1773	51	7	mechanism	mechanism	NOUN
fcis-1773	51	8	was	be	AUX
fcis-1773	51	9	originally	originally	ADV
fcis-1773	51	10	designed	design	VERB
fcis-1773	51	11	to	to	PART
fcis-1773	51	12	allow	allow	VERB
fcis-1773	51	13	a	a	DET
fcis-1773	51	14	certain	certain	ADJ
fcis-1773	51	15	amount	amount	NOUN
fcis-1773	51	16	of	of	ADP
fcis-1773	51	17	proof	proof	NOUN
fcis-1773	51	18	-	-	PUNCT
fcis-1773	51	19	of	of	ADP
fcis-1773	51	20	-	-	PUNCT
fcis-1773	51	21	work	work	NOUN
fcis-1773	51	22	to	to	PART
fcis-1773	51	23	be	be	AUX
fcis-1773	51	24	completed	complete	VERB
fcis-1773	51	25	before	before	SCONJ
fcis-1773	51	26	an	an	DET
fcis-1773	51	27	email	email	NOUN
fcis-1773	51	28	could	could	AUX
fcis-1773	51	29	be	be	AUX
fcis-1773	51	30	sent	send	VERB
fcis-1773	51	31	,	,	PUNCT
fcis-1773	51	32	which	which	PRON
fcis-1773	51	33	resulted	result	VERB
fcis-1773	51	34	in	in	ADP
fcis-1773	51	35	a	a	DET
fcis-1773	51	36	high	high	ADJ
fcis-1773	51	37	cost	cost	NOUN
fcis-1773	51	38	for	for	ADP
fcis-1773	51	39	sending	send	VERB
fcis-1773	51	40	spam	spam	NOUN
fcis-1773	51	41	.	.	PUNCT
fcis-1773	52	1	after	after	SCONJ
fcis-1773	52	2	this	this	DET
fcis-1773	52	3	satoshi	satoshi	PROPN
fcis-1773	52	4	nakamoto	nakamoto	PROPN
fcis-1773	52	5	introduced	introduce	VERB
fcis-1773	52	6	the	the	DET
fcis-1773	52	7	proof	proof	NOUN
fcis-1773	52	8	-	-	PUNCT
fcis-1773	52	9	of	of	ADP
fcis-1773	52	10	-	-	PUNCT
fcis-1773	52	11	work	work	NOUN
fcis-1773	52	12	mechanism	mechanism	NOUN
fcis-1773	52	13	to	to	PART
fcis-1773	52	14	bitcoin	bitcoin	VERB
fcis-1773	52	15	.	.	PUNCT
fcis-1773	53	1	all	all	DET
fcis-1773	53	2	nodes	node	NOUN
fcis-1773	53	3	in	in	ADP
fcis-1773	53	4	bitcoin	bitcoin	NOUN
fcis-1773	53	5	are	be	AUX
fcis-1773	53	6	required	require	VERB
fcis-1773	53	7	to	to	ADP
fcis-1773	53	8	"	"	PUNCT
fcis-1773	53	9	mine	mine	NOUN
fcis-1773	53	10	"	"	PUNCT
fcis-1773	53	11	,	,	PUNCT
fcis-1773	53	12	and	and	CCONJ
fcis-1773	53	13	whenever	whenever	SCONJ
fcis-1773	53	14	a	a	DET
fcis-1773	53	15	new	new	ADJ
fcis-1773	53	16	transaction	transaction	NOUN
fcis-1773	53	17	is	be	AUX
fcis-1773	53	18	created	create	VERB
fcis-1773	53	19	in	in	ADP
fcis-1773	53	20	bitcoin	bitcoin	NOUN
fcis-1773	53	21	,	,	PUNCT
fcis-1773	53	22	the	the	DET
fcis-1773	53	23	pending	pende	VERB
fcis-1773	53	24	information	information	NOUN
fcis-1773	53	25	is	be	AUX
fcis-1773	53	26	broadcast	broadcast	VERB
fcis-1773	53	27	across	across	ADP
fcis-1773	53	28	the	the	DET
fcis-1773	53	29	network	network	NOUN
fcis-1773	53	30	.	.	PUNCT
fcis-1773	54	1	when	when	SCONJ
fcis-1773	54	2	a	a	DET
fcis-1773	54	3	new	new	ADJ
fcis-1773	54	4	transaction	transaction	NOUN
fcis-1773	54	5	needs	need	VERB
fcis-1773	54	6	to	to	PART
fcis-1773	54	7	be	be	AUX
fcis-1773	54	8	credited	credit	VERB
fcis-1773	54	9	to	to	ADP
fcis-1773	54	10	the	the	DET
fcis-1773	54	11	blockchain	blockchain	NOUN
fcis-1773	54	12	,	,	PUNCT
fcis-1773	54	13	the	the	DET
fcis-1773	54	14	node	node	NOUN
fcis-1773	54	15	generates	generate	VERB
fcis-1773	54	16	a	a	DET
fcis-1773	54	17	block	block	NOUN
fcis-1773	54	18	of	of	ADP
fcis-1773	54	19	packets	packet	NOUN
fcis-1773	54	20	and	and	CCONJ
fcis-1773	54	21	calculates	calculate	VERB
fcis-1773	54	22	the	the	DET
fcis-1773	54	23	merkle	merkle	NOUN
fcis-1773	54	24	root	root	NOUN
fcis-1773	54	25	,	,	PUNCT
fcis-1773	54	26	which	which	PRON
fcis-1773	54	27	generates	generate	VERB
fcis-1773	54	28	a	a	DET
fcis-1773	54	29	random	random	ADJ
fcis-1773	54	30	string	string	NOUN
fcis-1773	54	31	of	of	ADP
fcis-1773	54	32	nonce	nonce	NOUN
fcis-1773	54	33	,	,	PUNCT
fcis-1773	54	34	and	and	CCONJ
fcis-1773	54	35	only	only	ADV
fcis-1773	54	36	the	the	DET
fcis-1773	54	37	first	first	ADJ
fcis-1773	54	38	node	node	NOUN
fcis-1773	54	39	to	to	PART
fcis-1773	54	40	calculate	calculate	VERB
fcis-1773	54	41	the	the	DET
fcis-1773	54	42	nonce	nonce	NOUN
fcis-1773	54	43	has	have	VERB
fcis-1773	54	44	the	the	DET
fcis-1773	54	45	right	right	NOUN
fcis-1773	54	46	to	to	PART
fcis-1773	54	47	account	account	VERB
fcis-1773	54	48	for	for	ADP
fcis-1773	54	49	it	it	PRON
fcis-1773	54	50	.	.	PUNCT
fcis-1773	55	1	this	this	PRON
fcis-1773	55	2	shows	show	VERB
fcis-1773	55	3	that	that	SCONJ
fcis-1773	55	4	the	the	DET
fcis-1773	55	5	proof	proof	NOUN
fcis-1773	55	6	-	-	PUNCT
fcis-1773	55	7	of	of	ADP
fcis-1773	55	8	-	-	PUNCT
fcis-1773	55	9	work	work	NOUN
fcis-1773	55	10	mechanism	mechanism	NOUN
fcis-1773	55	11	actually	actually	ADV
fcis-1773	55	12	requires	require	VERB
fcis-1773	55	13	a	a	DET
fcis-1773	55	14	lot	lot	NOUN
fcis-1773	55	15	of	of	ADP
fcis-1773	55	16	arithmetic	arithmetic	ADJ
fcis-1773	55	17	resources	resource	NOUN
fcis-1773	55	18	,	,	PUNCT
fcis-1773	55	19	which	which	PRON
fcis-1773	55	20	increases	increase	VERB
fcis-1773	55	21	the	the	DET
fcis-1773	55	22	cost	cost	NOUN
fcis-1773	55	23	of	of	ADP
fcis-1773	55	24	blockchain	blockchain	PROPN
fcis-1773	55	25	bookkeeping	bookkeeping	NOUN
fcis-1773	55	26	,	,	PUNCT
fcis-1773	55	27	but	but	CCONJ
fcis-1773	55	28	it	it	PRON
fcis-1773	55	29	also	also	ADV
fcis-1773	55	30	makes	make	VERB
fcis-1773	55	31	it	it	PRON
fcis-1773	55	32	more	more	ADV
fcis-1773	55	33	difficult	difficult	ADJ
fcis-1773	55	34	to	to	PART
fcis-1773	55	35	attack	attack	VERB
fcis-1773	55	36	the	the	DET
fcis-1773	55	37	pow	pow	NOUN
fcis-1773	55	38	consensusbased	consensusbase	VERB
fcis-1773	55	39	blockchain	blockchain	PROPN
fcis-1773	55	40	.	.	PUNCT
fcis-1773	56	1	the	the	DET
fcis-1773	56	2	pow	pow	NOUN
fcis-1773	56	3	proof	proof	NOUN
fcis-1773	56	4	-	-	PUNCT
fcis-1773	56	5	of	of	ADP
fcis-1773	56	6	-	-	PUNCT
fcis-1773	56	7	work	work	NOUN
fcis-1773	56	8	mechanism	mechanism	NOUN
fcis-1773	56	9	is	be	AUX
fcis-1773	56	10	based	base	VERB
fcis-1773	56	11	on	on	ADP
fcis-1773	56	12	arithmetic	arithmetic	ADJ
fcis-1773	56	13	,	,	PUNCT
fcis-1773	56	14	which	which	PRON
fcis-1773	56	15	is	be	AUX
fcis-1773	56	16	suspected	suspect	VERB
fcis-1773	56	17	of	of	ADP
fcis-1773	56	18	reducing	reduce	VERB
fcis-1773	56	19	efficiency	efficiency	NOUN
fcis-1773	56	20	and	and	CCONJ
fcis-1773	56	21	wasting	waste	VERB
fcis-1773	56	22	resources	resource	NOUN
fcis-1773	56	23	[	[	X
fcis-1773	56	24	7	7	NUM
fcis-1773	56	25	]	]	PUNCT
fcis-1773	56	26	.	.	PUNCT
fcis-1773	57	1	researchers	researcher	NOUN
fcis-1773	57	2	have	have	AUX
fcis-1773	57	3	considered	consider	VERB
fcis-1773	57	4	the	the	DET
fcis-1773	57	5	possibility	possibility	NOUN
fcis-1773	57	6	of	of	ADP
fcis-1773	57	7	converting	convert	VERB
fcis-1773	57	8	the	the	DET
fcis-1773	57	9	consumption	consumption	NOUN
fcis-1773	57	10	of	of	ADP
fcis-1773	57	11	arithmetic	arithmetic	ADJ
fcis-1773	57	12	power	power	NOUN
fcis-1773	57	13	into	into	ADP
fcis-1773	57	14	an	an	DET
fcis-1773	57	15	investment	investment	NOUN
fcis-1773	57	16	in	in	ADP
fcis-1773	57	17	equity	equity	NOUN
fcis-1773	57	18	.	.	PUNCT
fcis-1773	58	1	in	in	ADP
fcis-1773	58	2	general	general	ADJ
fcis-1773	58	3	,	,	PUNCT
fcis-1773	58	4	those	those	PRON
fcis-1773	58	5	with	with	ADP
fcis-1773	58	6	more	more	ADJ
fcis-1773	58	7	equity	equity	NOUN
fcis-1773	58	8	are	be	AUX
fcis-1773	58	9	more	more	ADV
fcis-1773	58	10	willing	willing	ADJ
fcis-1773	58	11	to	to	PART
fcis-1773	58	12	maintain	maintain	VERB
fcis-1773	58	13	the	the	DET
fcis-1773	58	14	security	security	NOUN
fcis-1773	58	15	and	and	CCONJ
fcis-1773	58	16	stability	stability	NOUN
fcis-1773	58	17	of	of	ADP
fcis-1773	58	18	the	the	DET
fcis-1773	58	19	entire	entire	ADJ
fcis-1773	58	20	chain	chain	NOUN
fcis-1773	58	21	.	.	PUNCT
fcis-1773	59	1	equity	equity	NOUN
fcis-1773	59	2	in	in	ADP
fcis-1773	59	3	a	a	DET
fcis-1773	59	4	blockchain	blockchain	NOUN
fcis-1773	59	5	involves	involve	VERB
fcis-1773	59	6	"	"	PUNCT
fcis-1773	59	7	coin	coin	NOUN
fcis-1773	59	8	age	age	NOUN
fcis-1773	59	9	"	"	PUNCT
fcis-1773	59	10	,	,	PUNCT
fcis-1773	59	11	where	where	SCONJ
fcis-1773	59	12	each	each	DET
fcis-1773	59	13	coin	coin	NOUN
fcis-1773	59	14	owned	own	VERB
fcis-1773	59	15	by	by	ADP
fcis-1773	59	16	a	a	DET
fcis-1773	59	17	node	node	NOUN
fcis-1773	59	18	generates	generate	VERB
fcis-1773	59	19	one	one	NUM
fcis-1773	59	20	"	"	PUNCT
fcis-1773	59	21	coin	coin	NOUN
fcis-1773	59	22	age	age	NOUN
fcis-1773	59	23	"	"	PUNCT
fcis-1773	59	24	per	per	ADP
fcis-1773	59	25	day	day	NOUN
fcis-1773	59	26	.	.	PUNCT
fcis-1773	60	1	under	under	ADP
fcis-1773	60	2	the	the	DET
fcis-1773	60	3	pos	pos	NOUN
fcis-1773	60	4	proof	proof	NOUN
fcis-1773	60	5	-	-	PUNCT
fcis-1773	60	6	of	of	ADP
fcis-1773	60	7	-	-	PUNCT
fcis-1773	60	8	interest	interest	NOUN
fcis-1773	60	9	mechanism	mechanism	NOUN
fcis-1773	60	10	,	,	PUNCT
fcis-1773	60	11	the	the	DET
fcis-1773	60	12	blockchain	blockchain	PROPN
fcis-1773	60	13	decides	decide	VERB
fcis-1773	60	14	the	the	DET
fcis-1773	60	15	bookkeeping	bookkeeping	NOUN
fcis-1773	60	16	node	node	NOUN
fcis-1773	60	17	in	in	ADP
fcis-1773	60	18	each	each	DET
fcis-1773	60	19	round	round	NOUN
fcis-1773	60	20	of	of	ADP
fcis-1773	60	21	election	election	NOUN
fcis-1773	60	22	based	base	VERB
fcis-1773	60	23	on	on	ADP
fcis-1773	60	24	the	the	DET
fcis-1773	60	25	equity	equity	NOUN
fcis-1773	60	26	of	of	ADP
fcis-1773	60	27	the	the	DET
fcis-1773	60	28	nodes	node	NOUN
fcis-1773	60	29	participating	participate	VERB
fcis-1773	60	30	in	in	ADP
fcis-1773	60	31	the	the	DET
fcis-1773	60	32	consensus	consensus	NOUN
fcis-1773	60	33	,	,	PUNCT
fcis-1773	60	34	and	and	CCONJ
fcis-1773	60	35	the	the	PRON
fcis-1773	60	36	higher	high	ADJ
fcis-1773	60	37	the	the	DET
fcis-1773	60	38	equity	equity	NOUN
fcis-1773	60	39	,	,	PUNCT
fcis-1773	60	40	the	the	PRON
fcis-1773	60	41	higher	high	ADJ
fcis-1773	60	42	the	the	DET
fcis-1773	60	43	probability	probability	NOUN
fcis-1773	60	44	of	of	ADP
fcis-1773	60	45	being	be	AUX
fcis-1773	60	46	selected	select	VERB
fcis-1773	60	47	[	[	PUNCT
fcis-1773	60	48	8	8	NUM
fcis-1773	60	49	]	]	PUNCT
fcis-1773	60	50	.	.	PUNCT
fcis-1773	61	1	in	in	ADP
fcis-1773	61	2	the	the	DET
fcis-1773	61	3	next	next	ADJ
fcis-1773	61	4	round	round	NOUN
fcis-1773	61	5	of	of	ADP
fcis-1773	61	6	election	election	NOUN
fcis-1773	61	7	,	,	PUNCT
fcis-1773	61	8	the	the	DET
fcis-1773	61	9	nodes	node	NOUN
fcis-1773	61	10	are	be	AUX
fcis-1773	61	11	re	re	VERB
fcis-1773	61	12	-	-	VERB
fcis-1773	61	13	elected	elect	VERB
fcis-1773	61	14	according	accord	VERB
fcis-1773	61	15	to	to	ADP
fcis-1773	61	16	this	this	DET
fcis-1773	61	17	rule	rule	NOUN
fcis-1773	61	18	.	.	PUNCT
fcis-1773	62	1	compared	compare	VERB
fcis-1773	62	2	to	to	ADP
fcis-1773	62	3	the	the	DET
fcis-1773	62	4	pow	pow	NOUN
fcis-1773	62	5	proof	proof	NOUN
fcis-1773	62	6	-	-	PUNCT
fcis-1773	62	7	of	of	ADP
fcis-1773	62	8	-	-	PUNCT
fcis-1773	62	9	work	work	NOUN
fcis-1773	62	10	mechanism	mechanism	NOUN
fcis-1773	62	11	,	,	PUNCT
fcis-1773	62	12	the	the	DET
fcis-1773	62	13	pos	pos	NOUN
fcis-1773	62	14	proof	proof	NOUN
fcis-1773	62	15	-	-	PUNCT
fcis-1773	62	16	of	of	ADP
fcis-1773	62	17	-	-	PUNCT
fcis-1773	62	18	stake	stake	NOUN
fcis-1773	62	19	mechanism	mechanism	NOUN
fcis-1773	62	20	is	be	AUX
fcis-1773	62	21	more	more	ADV
fcis-1773	62	22	efficient	efficient	ADJ
fcis-1773	62	23	and	and	CCONJ
fcis-1773	62	24	arithmetic	arithmetic	ADJ
fcis-1773	62	25	-	-	PUNCT
fcis-1773	62	26	efficient	efficient	ADJ
fcis-1773	62	27	,	,	PUNCT
fcis-1773	62	28	and	and	CCONJ
fcis-1773	62	29	the	the	DET
fcis-1773	62	30	confirmation	confirmation	NOUN
fcis-1773	62	31	time	time	NOUN
fcis-1773	62	32	of	of	ADP
fcis-1773	62	33	new	new	ADJ
fcis-1773	62	34	blocks	block	NOUN
fcis-1773	62	35	in	in	ADP
fcis-1773	62	36	the	the	DET
fcis-1773	62	37	blockchain	blockchain	NOUN
fcis-1773	62	38	is	be	AUX
fcis-1773	62	39	greatly	greatly	ADV
fcis-1773	62	40	reduced	reduce	VERB
fcis-1773	62	41	.	.	PUNCT
fcis-1773	63	1	the	the	DET
fcis-1773	63	2	dpos	dpos	NOUN
fcis-1773	63	3	proof	proof	NOUN
fcis-1773	63	4	-	-	PUNCT
fcis-1773	63	5	of	of	ADP
fcis-1773	63	6	-	-	PUNCT
fcis-1773	63	7	stake	stake	NOUN
fcis-1773	63	8	mechanism	mechanism	NOUN
fcis-1773	63	9	is	be	AUX
fcis-1773	63	10	an	an	DET
fcis-1773	63	11	extension	extension	NOUN
fcis-1773	63	12	of	of	ADP
fcis-1773	63	13	pos	pos	NOUN
fcis-1773	63	14	,	,	PUNCT
fcis-1773	63	15	and	and	CCONJ
fcis-1773	63	16	also	also	ADV
fcis-1773	63	17	solves	solve	VERB
fcis-1773	63	18	the	the	DET
fcis-1773	63	19	pow	pow	PROPN
fcis-1773	63	20	arithmetic	arithmetic	ADJ
fcis-1773	63	21	problem	problem	NOUN
fcis-1773	63	22	[	[	X
fcis-1773	63	23	9	9	NUM
fcis-1773	63	24	]	]	PUNCT
fcis-1773	63	25	.	.	PUNCT
fcis-1773	64	1	the	the	DET
fcis-1773	64	2	coins	coin	NOUN
fcis-1773	64	3	owned	own	VERB
fcis-1773	64	4	by	by	ADP
fcis-1773	64	5	each	each	DET
fcis-1773	64	6	node	node	NOUN
fcis-1773	64	7	in	in	ADP
fcis-1773	64	8	dpos	dpos	NOUN
fcis-1773	64	9	can	can	AUX
fcis-1773	64	10	be	be	AUX
fcis-1773	64	11	seen	see	VERB
fcis-1773	64	12	as	as	ADP
fcis-1773	64	13	individual	individual	ADJ
fcis-1773	64	14	votes	vote	NOUN
fcis-1773	64	15	,	,	PUNCT
fcis-1773	64	16	which	which	PRON
fcis-1773	64	17	can	can	AUX
fcis-1773	64	18	be	be	AUX
fcis-1773	64	19	cast	cast	VERB
fcis-1773	64	20	to	to	ADP
fcis-1773	64	21	nodes	node	NOUN
fcis-1773	64	22	they	they	PRON
fcis-1773	64	23	trust	trust	VERB
fcis-1773	64	24	,	,	PUNCT
fcis-1773	64	25	thus	thus	ADV
fcis-1773	64	26	electing	elect	VERB
fcis-1773	64	27	the	the	DET
fcis-1773	64	28	principals	principal	NOUN
fcis-1773	64	29	.	.	PUNCT
fcis-1773	65	1	the	the	DET
fcis-1773	65	2	principals	principal	NOUN
fcis-1773	65	3	are	be	AUX
fcis-1773	65	4	the	the	DET
fcis-1773	65	5	ones	one	NOUN
fcis-1773	65	6	who	who	PRON
fcis-1773	65	7	produce	produce	VERB
fcis-1773	65	8	the	the	DET
fcis-1773	65	9	blocks	block	NOUN
fcis-1773	65	10	.	.	PUNCT
fcis-1773	66	1	pbft	pbft	PROPN
fcis-1773	66	2	(	(	PUNCT
fcis-1773	66	3	practical	practical	ADJ
fcis-1773	66	4	byzantine	byzantine	ADJ
fcis-1773	66	5	fault	fault	NOUN
fcis-1773	66	6	tolerance	tolerance	NOUN
fcis-1773	66	7	)	)	PUNCT
fcis-1773	66	8	is	be	AUX
fcis-1773	66	9	a	a	DET
fcis-1773	66	10	practical	practical	ADJ
fcis-1773	66	11	byzantine	byzantine	ADJ
fcis-1773	66	12	fault	fault	NOUN
fcis-1773	66	13	tolerance	tolerance	NOUN
fcis-1773	66	14	algorithm	algorithm	NOUN
fcis-1773	66	15	.	.	PUNCT
fcis-1773	67	1	this	this	DET
fcis-1773	67	2	algorithm	algorithm	NOUN
fcis-1773	67	3	was	be	AUX
fcis-1773	67	4	proposed	propose	VERB
fcis-1773	67	5	by	by	ADP
fcis-1773	67	6	miguel	miguel	PROPN
fcis-1773	67	7	castro	castro	PROPN
fcis-1773	67	8	and	and	CCONJ
fcis-1773	67	9	barbara	barbara	PROPN
fcis-1773	67	10	liskov	liskov	PROPN
fcis-1773	67	11	in	in	ADP
fcis-1773	67	12	1999	1999	NUM
fcis-1773	67	13	to	to	PART
fcis-1773	67	14	solve	solve	VERB
fcis-1773	67	15	the	the	DET
fcis-1773	67	16	byzantine	byzantine	ADJ
fcis-1773	67	17	general	general	ADJ
fcis-1773	67	18	problem	problem	NOUN
fcis-1773	67	19	in	in	ADP
fcis-1773	67	20	a	a	DET
fcis-1773	67	21	trusted	trust	VERB
fcis-1773	67	22	channel	channel	NOUN
fcis-1773	67	23	[	[	X
fcis-1773	67	24	10	10	NUM
fcis-1773	67	25	]	]	PUNCT
fcis-1773	67	26	.	.	PUNCT
fcis-1773	68	1	in	in	ADP
fcis-1773	68	2	pbft	pbft	PROPN
fcis-1773	68	3	,	,	PUNCT
fcis-1773	68	4	nodes	node	NOUN
fcis-1773	68	5	are	be	AUX
fcis-1773	68	6	classified	classify	VERB
fcis-1773	68	7	according	accord	VERB
fcis-1773	68	8	to	to	ADP
fcis-1773	68	9	the	the	DET
fcis-1773	68	10	consensus	consensus	NOUN
fcis-1773	68	11	role	role	NOUN
fcis-1773	68	12	as	as	ADP
fcis-1773	68	13	client	client	NOUN
fcis-1773	68	14	nodes	node	NOUN
fcis-1773	68	15	,	,	PUNCT
fcis-1773	68	16	master	master	NOUN
fcis-1773	68	17	nodes	node	NOUN
fcis-1773	68	18	and	and	CCONJ
fcis-1773	68	19	backup	backup	ADJ
fcis-1773	68	20	nodes	node	NOUN
fcis-1773	68	21	.	.	PUNCT
fcis-1773	69	1	all	all	DET
fcis-1773	69	2	nodes	node	NOUN
fcis-1773	69	3	must	must	AUX
fcis-1773	69	4	satisfy	satisfy	VERB
fcis-1773	69	5	the	the	DET
fcis-1773	69	6	following	follow	VERB
fcis-1773	69	7	two	two	NUM
fcis-1773	69	8	properties	property	NOUN
fcis-1773	69	9	:	:	PUNCT
fcis-1773	69	10	first	first	ADV
fcis-1773	69	11	,	,	PUNCT
fcis-1773	69	12	all	all	DET
fcis-1773	69	13	correct	correct	ADJ
fcis-1773	69	14	nodes	node	NOUN
fcis-1773	69	15	produce	produce	VERB
fcis-1773	69	16	the	the	DET
fcis-1773	69	17	same	same	ADJ
fcis-1773	69	18	output	output	NOUN
fcis-1773	69	19	result	result	VERB
fcis-1773	69	20	with	with	ADP
fcis-1773	69	21	the	the	DET
fcis-1773	69	22	same	same	ADJ
fcis-1773	69	23	input	input	NOUN
fcis-1773	69	24	message	message	NOUN
fcis-1773	69	25	;	;	PUNCT
fcis-1773	69	26	second	second	ADJ
fcis-1773	69	27	,	,	PUNCT
fcis-1773	69	28	if	if	SCONJ
fcis-1773	69	29	the	the	DET
fcis-1773	69	30	input	input	NOUN
fcis-1773	69	31	message	message	NOUN
fcis-1773	69	32	is	be	AUX
fcis-1773	69	33	successfully	successfully	ADV
fcis-1773	69	34	verified	verify	VERB
fcis-1773	69	35	,	,	PUNCT
fcis-1773	69	36	all	all	DET
fcis-1773	69	37	correct	correct	ADJ
fcis-1773	69	38	nodes	node	NOUN
fcis-1773	69	39	must	must	AUX
fcis-1773	69	40	receive	receive	VERB
fcis-1773	69	41	the	the	DET
fcis-1773	69	42	message	message	NOUN
fcis-1773	69	43	and	and	CCONJ
fcis-1773	69	44	compute	compute	VERB
fcis-1773	69	45	the	the	DET
fcis-1773	69	46	corresponding	corresponding	ADJ
fcis-1773	69	47	result	result	NOUN
fcis-1773	69	48	.	.	PUNCT
fcis-1773	70	1	the	the	DET
fcis-1773	70	2	pbft	pbft	ADJ
fcis-1773	70	3	mechanism	mechanism	NOUN
fcis-1773	70	4	is	be	AUX
fcis-1773	70	5	a	a	DET
fcis-1773	70	6	byzantine	byzantine	ADJ
fcis-1773	70	7	fault	fault	NOUN
fcis-1773	70	8	-	-	PUNCT
fcis-1773	70	9	tolerant	tolerant	ADJ
fcis-1773	70	10	system	system	NOUN
fcis-1773	70	11	with	with	ADP
fcis-1773	70	12	state	state	NOUN
fcis-1773	70	13	machine	machine	NOUN
fcis-1773	70	14	replication	replication	NOUN
fcis-1773	70	15	.	.	PUNCT
fcis-1773	71	1	to	to	PART
fcis-1773	71	2	maintain	maintain	VERB
fcis-1773	71	3	a	a	DET
fcis-1773	71	4	common	common	ADJ
fcis-1773	71	5	ledger	ledger	NOUN
fcis-1773	71	6	data	datum	NOUN
fcis-1773	71	7	state	state	NOUN
fcis-1773	71	8	,	,	PUNCT
fcis-1773	71	9	it	it	PRON
fcis-1773	71	10	is	be	AUX
fcis-1773	71	11	required	require	VERB
fcis-1773	71	12	that	that	SCONJ
fcis-1773	71	13	all	all	DET
fcis-1773	71	14	nodes	node	NOUN
fcis-1773	71	15	behave	behave	VERB
fcis-1773	71	16	uniformly	uniformly	ADV
fcis-1773	71	17	and	and	CCONJ
fcis-1773	71	18	therefore	therefore	ADV
fcis-1773	71	19	three	three	NUM
fcis-1773	71	20	protocols	protocol	NOUN
fcis-1773	71	21	need	need	VERB
fcis-1773	71	22	to	to	PART
fcis-1773	71	23	be	be	AUX
fcis-1773	71	24	implemented	implement	VERB
fcis-1773	71	25	:	:	PUNCT
fcis-1773	71	26	a	a	DET
fcis-1773	71	27	consistency	consistency	NOUN
fcis-1773	71	28	protocol	protocol	NOUN
fcis-1773	71	29	,	,	PUNCT
fcis-1773	71	30	a	a	DET
fcis-1773	71	31	checkpointing	checkpointing	NOUN
fcis-1773	71	32	protocol	protocol	NOUN
fcis-1773	71	33	and	and	CCONJ
fcis-1773	71	34	a	a	DET
fcis-1773	71	35	view	view	NOUN
fcis-1773	71	36	switching	switch	VERB
fcis-1773	71	37	protocol	protocol	NOUN
fcis-1773	71	38	.	.	PUNCT
fcis-1773	72	1	the	the	DET
fcis-1773	72	2	consistency	consistency	NOUN
fcis-1773	72	3	protocol	protocol	NOUN
fcis-1773	72	4	consists	consist	VERB
fcis-1773	72	5	of	of	ADP
fcis-1773	72	6	a	a	DET
fcis-1773	72	7	request	request	NOUN
fcis-1773	72	8	phase	phase	NOUN
fcis-1773	72	9	,	,	PUNCT
fcis-1773	72	10	a	a	DET
fcis-1773	72	11	pre	pre	ADJ
fcis-1773	72	12	-	-	ADJ
fcis-1773	72	13	prepare	prepare	ADJ
fcis-1773	72	14	phase	phase	NOUN
fcis-1773	72	15	,	,	PUNCT
fcis-1773	72	16	a	a	DET
fcis-1773	72	17	prepare	prepare	NOUN
fcis-1773	72	18	phase	phase	NOUN
fcis-1773	72	19	,	,	PUNCT
fcis-1773	72	20	a	a	DET
fcis-1773	72	21	commit	commit	VERB
fcis-1773	72	22	61	61	NUM
fcis-1773	72	23	phase	phase	NOUN
fcis-1773	72	24	and	and	CCONJ
fcis-1773	72	25	a	a	DET
fcis-1773	72	26	reply	reply	NOUN
fcis-1773	72	27	phase	phase	NOUN
fcis-1773	72	28	.	.	PUNCT
fcis-1773	73	1	figure	figure	NOUN
fcis-1773	73	2	2	2	NUM
fcis-1773	73	3	shows	show	VERB
fcis-1773	73	4	the	the	DET
fcis-1773	73	5	flowchart	flowchart	NOUN
fcis-1773	73	6	of	of	ADP
fcis-1773	73	7	the	the	DET
fcis-1773	73	8	pbft	pbft	ADJ
fcis-1773	73	9	mechanism	mechanism	NOUN
fcis-1773	73	10	implementation	implementation	NOUN
fcis-1773	73	11	with	with	ADP
fcis-1773	73	12	five	five	NUM
fcis-1773	73	13	nodes	node	NOUN
fcis-1773	73	14	,	,	PUNCT
fcis-1773	73	15	where	where	SCONJ
fcis-1773	73	16	client	client	NOUN
fcis-1773	73	17	is	be	AUX
fcis-1773	73	18	the	the	DET
fcis-1773	73	19	client	client	NOUN
fcis-1773	73	20	node	node	NOUN
fcis-1773	73	21	,	,	PUNCT
fcis-1773	73	22	primary	primary	NOUN
fcis-1773	73	23	is	be	AUX
fcis-1773	73	24	the	the	DET
fcis-1773	73	25	primary	primary	ADJ
fcis-1773	73	26	node	node	NOUN
fcis-1773	73	27	and	and	CCONJ
fcis-1773	73	28	backup1	backup1	NOUN
fcis-1773	73	29	-	-	PUNCT
fcis-1773	73	30	3	3	NUM
fcis-1773	73	31	are	be	AUX
fcis-1773	73	32	the	the	DET
fcis-1773	73	33	three	three	NUM
fcis-1773	73	34	backup	backup	ADJ
fcis-1773	73	35	nodes	node	NOUN
fcis-1773	73	36	.	.	PUNCT
fcis-1773	74	1	figure	figure	NOUN
fcis-1773	74	2	2	2	NUM
fcis-1773	74	3	.	.	PUNCT
fcis-1773	75	1	the	the	DET
fcis-1773	75	2	consensus	consensus	NOUN
fcis-1773	75	3	process	process	NOUN
fcis-1773	75	4	of	of	ADP
fcis-1773	75	5	pbft	pbft	PROPN
fcis-1773	75	6	2.3	2.3	NUM
fcis-1773	75	7	.	.	PUNCT
fcis-1773	76	1	smart	smart	ADJ
fcis-1773	76	2	contracts	contract	NOUN
fcis-1773	76	3	smart	smart	ADJ
fcis-1773	76	4	contracts	contract	NOUN
fcis-1773	76	5	are	be	AUX
fcis-1773	76	6	a	a	DET
fcis-1773	76	7	concept	concept	NOUN
fcis-1773	76	8	developed	develop	VERB
fcis-1773	76	9	by	by	ADP
fcis-1773	76	10	cryptographer	cryptographer	PROPN
fcis-1773	76	11	nick	nick	PROPN
fcis-1773	76	12	szabo	szabo	PROPN
fcis-1773	76	13	,	,	PUNCT
fcis-1773	76	14	the	the	DET
fcis-1773	76	15	central	central	ADJ
fcis-1773	76	16	idea	idea	NOUN
fcis-1773	76	17	of	of	ADP
fcis-1773	76	18	which	which	PRON
fcis-1773	76	19	is	be	AUX
fcis-1773	76	20	to	to	PART
fcis-1773	76	21	embed	embed	VERB
fcis-1773	76	22	contractual	contractual	ADJ
fcis-1773	76	23	terms	term	NOUN
fcis-1773	76	24	in	in	ADP
fcis-1773	76	25	hardware	hardware	NOUN
fcis-1773	76	26	and	and	CCONJ
fcis-1773	76	27	software	software	NOUN
fcis-1773	76	28	in	in	ADP
fcis-1773	76	29	such	such	DET
fcis-1773	76	30	a	a	DET
fcis-1773	76	31	way	way	NOUN
fcis-1773	76	32	that	that	PRON
fcis-1773	76	33	breaking	break	VERB
fcis-1773	76	34	the	the	DET
fcis-1773	76	35	contract	contract	NOUN
fcis-1773	76	36	is	be	AUX
fcis-1773	76	37	extremely	extremely	ADV
fcis-1773	76	38	costly	costly	ADJ
fcis-1773	76	39	or	or	CCONJ
fcis-1773	76	40	immutable	immutable	ADJ
fcis-1773	76	41	[	[	PUNCT
fcis-1773	76	42	11	11	NUM
fcis-1773	76	43	]	]	PUNCT
fcis-1773	76	44	.	.	PUNCT
fcis-1773	77	1	if	if	SCONJ
fcis-1773	77	2	the	the	DET
fcis-1773	77	3	terms	term	NOUN
fcis-1773	77	4	of	of	ADP
fcis-1773	77	5	the	the	DET
fcis-1773	77	6	contract	contract	NOUN
fcis-1773	77	7	are	be	AUX
fcis-1773	77	8	written	write	VERB
fcis-1773	77	9	in	in	ADP
fcis-1773	77	10	code	code	NOUN
fcis-1773	77	11	form	form	NOUN
fcis-1773	77	12	,	,	PUNCT
fcis-1773	77	13	the	the	DET
fcis-1773	77	14	terms	term	NOUN
fcis-1773	77	15	of	of	ADP
fcis-1773	77	16	the	the	DET
fcis-1773	77	17	contract	contract	NOUN
fcis-1773	77	18	can	can	AUX
fcis-1773	77	19	be	be	AUX
fcis-1773	77	20	enforced	enforce	VERB
fcis-1773	77	21	quickly	quickly	ADV
fcis-1773	77	22	and	and	CCONJ
fcis-1773	77	23	efficiently	efficiently	ADV
fcis-1773	77	24	and	and	CCONJ
fcis-1773	77	25	with	with	ADP
fcis-1773	77	26	less	less	ADJ
fcis-1773	77	27	intervention	intervention	NOUN
fcis-1773	77	28	from	from	ADP
fcis-1773	77	29	third	third	ADJ
fcis-1773	77	30	parties	party	NOUN
fcis-1773	77	31	.	.	PUNCT
fcis-1773	78	1	prior	prior	ADV
fcis-1773	78	2	to	to	ADP
fcis-1773	78	3	the	the	DET
fcis-1773	78	4	advent	advent	NOUN
fcis-1773	78	5	of	of	ADP
fcis-1773	78	6	blockchain	blockchain	PROPN
fcis-1773	78	7	,	,	PUNCT
fcis-1773	78	8	the	the	DET
fcis-1773	78	9	implementation	implementation	NOUN
fcis-1773	78	10	of	of	ADP
fcis-1773	78	11	smart	smart	ADJ
fcis-1773	78	12	contracts	contract	NOUN
fcis-1773	78	13	had	have	AUX
fcis-1773	78	14	been	be	AUX
fcis-1773	78	15	plagued	plague	VERB
fcis-1773	78	16	by	by	ADP
fcis-1773	78	17	problems	problem	NOUN
fcis-1773	78	18	of	of	ADP
fcis-1773	78	19	consensus	consensus	NOUN
fcis-1773	78	20	and	and	CCONJ
fcis-1773	78	21	multi	multi	ADJ
fcis-1773	78	22	-	-	ADJ
fcis-1773	78	23	party	party	ADJ
fcis-1773	78	24	trust	trust	NOUN
fcis-1773	78	25	that	that	PRON
fcis-1773	78	26	prevented	prevent	VERB
fcis-1773	78	27	their	their	PRON
fcis-1773	78	28	real	real	ADJ
fcis-1773	78	29	development	development	NOUN
fcis-1773	78	30	.	.	PUNCT
fcis-1773	79	1	but	but	CCONJ
fcis-1773	79	2	the	the	DET
fcis-1773	79	3	advent	advent	NOUN
fcis-1773	79	4	of	of	ADP
fcis-1773	79	5	blockchain	blockchain	PROPN
fcis-1773	79	6	has	have	AUX
fcis-1773	79	7	given	give	VERB
fcis-1773	79	8	smart	smart	ADJ
fcis-1773	79	9	contracts	contract	NOUN
fcis-1773	79	10	more	more	ADJ
fcis-1773	79	11	scope	scope	NOUN
fcis-1773	79	12	for	for	ADP
fcis-1773	79	13	development	development	NOUN
fcis-1773	79	14	.	.	PUNCT
fcis-1773	80	1	the	the	DET
fcis-1773	80	2	addition	addition	NOUN
fcis-1773	80	3	of	of	ADP
fcis-1773	80	4	smart	smart	ADJ
fcis-1773	80	5	contracts	contract	NOUN
fcis-1773	80	6	was	be	AUX
fcis-1773	80	7	a	a	DET
fcis-1773	80	8	key	key	ADJ
fcis-1773	80	9	factor	factor	NOUN
fcis-1773	80	10	in	in	ADP
fcis-1773	80	11	the	the	DET
fcis-1773	80	12	development	development	NOUN
fcis-1773	80	13	of	of	ADP
fcis-1773	80	14	blockchain	blockchain	PROPN
fcis-1773	80	15	1.0	1.0	NUM
fcis-1773	80	16	into	into	ADP
fcis-1773	80	17	blockchain	blockchain	PROPN
fcis-1773	80	18	2.0	2.0	NUM
fcis-1773	80	19	.	.	PUNCT
fcis-1773	81	1	blockchain	blockchain	PROPN
fcis-1773	81	2	technology	technology	PROPN
fcis-1773	81	3	serves	serve	VERB
fcis-1773	81	4	as	as	ADP
fcis-1773	81	5	the	the	DET
fcis-1773	81	6	technical	technical	ADJ
fcis-1773	81	7	basis	basis	NOUN
fcis-1773	81	8	for	for	ADP
fcis-1773	81	9	smart	smart	ADJ
fcis-1773	81	10	contracts	contract	NOUN
fcis-1773	81	11	.	.	PUNCT
fcis-1773	82	1	it	it	PRON
fcis-1773	82	2	uses	use	VERB
fcis-1773	82	3	smart	smart	ADJ
fcis-1773	82	4	contracts	contract	NOUN
fcis-1773	82	5	as	as	ADP
fcis-1773	82	6	scripts	script	NOUN
fcis-1773	82	7	,	,	PUNCT
fcis-1773	82	8	which	which	PRON
fcis-1773	82	9	are	be	AUX
fcis-1773	82	10	initiated	initiate	VERB
fcis-1773	82	11	with	with	ADP
fcis-1773	82	12	a	a	DET
fcis-1773	82	13	blockchain	blockchain	PROPN
fcis-1773	82	14	address	address	NOUN
fcis-1773	82	15	and	and	CCONJ
fcis-1773	82	16	executed	execute	VERB
fcis-1773	82	17	by	by	ADP
fcis-1773	82	18	setting	set	VERB
fcis-1773	82	19	trigger	trigger	NOUN
fcis-1773	82	20	conditions	condition	NOUN
fcis-1773	82	21	.	.	PUNCT
fcis-1773	83	1	the	the	DET
fcis-1773	83	2	transactions	transaction	NOUN
fcis-1773	83	3	executed	execute	VERB
fcis-1773	83	4	by	by	ADP
fcis-1773	83	5	smart	smart	ADJ
fcis-1773	83	6	contracts	contract	NOUN
fcis-1773	83	7	can	can	AUX
fcis-1773	83	8	be	be	AUX
fcis-1773	83	9	saved	save	VERB
fcis-1773	83	10	on	on	ADP
fcis-1773	83	11	the	the	DET
fcis-1773	83	12	blockchain	blockchain	NOUN
fcis-1773	83	13	.	.	PUNCT
fcis-1773	84	1	the	the	DET
fcis-1773	84	2	tamper	tamper	ADV
fcis-1773	84	3	-	-	PUNCT
fcis-1773	84	4	evident	evident	ADJ
fcis-1773	84	5	nature	nature	NOUN
fcis-1773	84	6	of	of	ADP
fcis-1773	84	7	the	the	DET
fcis-1773	84	8	blockchain	blockchain	PROPN
fcis-1773	84	9	and	and	CCONJ
fcis-1773	84	10	the	the	DET
fcis-1773	84	11	consensus	consensus	NOUN
fcis-1773	84	12	mechanism	mechanism	NOUN
fcis-1773	84	13	bring	bring	VERB
fcis-1773	84	14	a	a	DET
fcis-1773	84	15	secure	secure	ADJ
fcis-1773	84	16	and	and	CCONJ
fcis-1773	84	17	trusted	trust	VERB
fcis-1773	84	18	execution	execution	NOUN
fcis-1773	84	19	environment	environment	NOUN
fcis-1773	84	20	for	for	ADP
fcis-1773	84	21	smart	smart	ADJ
fcis-1773	84	22	contracts	contract	NOUN
fcis-1773	84	23	.	.	PUNCT
fcis-1773	85	1	ethernet	ethernet	NOUN
fcis-1773	85	2	is	be	AUX
fcis-1773	85	3	currently	currently	ADV
fcis-1773	85	4	the	the	DET
fcis-1773	85	5	most	most	ADV
fcis-1773	85	6	popular	popular	ADJ
fcis-1773	85	7	platform	platform	NOUN
fcis-1773	85	8	for	for	ADP
fcis-1773	85	9	smart	smart	ADJ
fcis-1773	85	10	contract	contract	NOUN
fcis-1773	85	11	applications.use	applications.use	ADP
fcis-1773	85	12	american	american	ADJ
fcis-1773	85	13	english	english	PROPN
fcis-1773	85	14	when	when	SCONJ
fcis-1773	85	15	writing	write	VERB
fcis-1773	85	16	your	your	PRON
fcis-1773	85	17	paper	paper	NOUN
fcis-1773	85	18	.	.	PUNCT
fcis-1773	86	1	the	the	DET
fcis-1773	86	2	serial	serial	ADJ
fcis-1773	86	3	comma	comma	NOUN
fcis-1773	86	4	should	should	AUX
fcis-1773	86	5	be	be	AUX
fcis-1773	86	6	used	use	VERB
fcis-1773	86	7	(	(	PUNCT
fcis-1773	86	8	“	"	PUNCT
fcis-1773	86	9	a	a	PROPN
fcis-1773	86	10	,	,	PUNCT
fcis-1773	86	11	b	b	NOUN
fcis-1773	86	12	,	,	PUNCT
fcis-1773	86	13	and	and	CCONJ
fcis-1773	86	14	c	c	X
fcis-1773	86	15	”	"	PUNCT
fcis-1773	86	16	not	not	PART
fcis-1773	86	17	“	"	PUNCT
fcis-1773	86	18	a	a	PROPN
fcis-1773	86	19	,	,	PUNCT
fcis-1773	86	20	b	b	NOUN
fcis-1773	86	21	and	and	CCONJ
fcis-1773	86	22	c	c	NOUN
fcis-1773	86	23	”	"	PUNCT
fcis-1773	86	24	)	)	PUNCT
fcis-1773	86	25	.	.	PUNCT
fcis-1773	87	1	in	in	ADP
fcis-1773	87	2	american	american	PROPN
fcis-1773	87	3	english	english	PROPN
fcis-1773	87	4	,	,	PUNCT
fcis-1773	87	5	periods	period	NOUN
fcis-1773	87	6	and	and	CCONJ
fcis-1773	87	7	commas	comma	NOUN
fcis-1773	87	8	are	be	AUX
fcis-1773	87	9	within	within	ADP
fcis-1773	87	10	quotation	quotation	NOUN
fcis-1773	87	11	marks	mark	NOUN
fcis-1773	87	12	,	,	PUNCT
fcis-1773	87	13	like	like	ADP
fcis-1773	87	14	“	"	PUNCT
fcis-1773	87	15	this	this	DET
fcis-1773	87	16	period	period	NOUN
fcis-1773	87	17	.	.	PUNCT
fcis-1773	87	18	”	"	PUNCT
fcis-1773	88	1	other	other	ADJ
fcis-1773	88	2	punctuation	punctuation	NOUN
fcis-1773	88	3	is	be	AUX
fcis-1773	88	4	“	"	PUNCT
fcis-1773	88	5	outside	outside	ADJ
fcis-1773	88	6	”	"	PUNCT
fcis-1773	88	7	!	!	PUNCT
fcis-1773	89	1	the	the	DET
fcis-1773	89	2	use	use	NOUN
fcis-1773	89	3	of	of	ADP
fcis-1773	89	4	technical	technical	ADJ
fcis-1773	89	5	jargon	jargon	PROPN
fcis-1773	89	6	,	,	PUNCT
fcis-1773	89	7	slang	slang	PROPN
fcis-1773	89	8	,	,	PUNCT
fcis-1773	89	9	and	and	CCONJ
fcis-1773	89	10	vague	vague	ADJ
fcis-1773	89	11	or	or	CCONJ
fcis-1773	89	12	informal	informal	ADJ
fcis-1773	89	13	english	english	NOUN
fcis-1773	89	14	should	should	AUX
fcis-1773	89	15	be	be	AUX
fcis-1773	89	16	avoided	avoid	VERB
fcis-1773	89	17	.	.	PUNCT
fcis-1773	90	1	generic	generic	ADJ
fcis-1773	90	2	technical	technical	ADJ
fcis-1773	90	3	terms	term	NOUN
fcis-1773	90	4	should	should	AUX
fcis-1773	90	5	instead	instead	ADV
fcis-1773	90	6	be	be	AUX
fcis-1773	90	7	used	use	VERB
fcis-1773	90	8	.	.	PUNCT
fcis-1773	91	1	2.4	2.4	NUM
fcis-1773	91	2	.	.	PUNCT
fcis-1773	91	3	hash	hash	NOUN
fcis-1773	91	4	algorithm	algorithm	NOUN
fcis-1773	91	5	the	the	DET
fcis-1773	91	6	hash	hash	NOUN
fcis-1773	91	7	algorithm	algorithm	NOUN
fcis-1773	91	8	,	,	PUNCT
fcis-1773	91	9	also	also	ADV
fcis-1773	91	10	known	know	VERB
fcis-1773	91	11	as	as	ADP
fcis-1773	91	12	a	a	DET
fcis-1773	91	13	hashing	hashing	NOUN
fcis-1773	91	14	algorithm	algorithm	NOUN
fcis-1773	91	15	,	,	PUNCT
fcis-1773	91	16	is	be	AUX
fcis-1773	91	17	able	able	ADJ
fcis-1773	91	18	to	to	PART
fcis-1773	91	19	compress	compress	VERB
fcis-1773	91	20	message	message	NOUN
fcis-1773	91	21	data	datum	NOUN
fcis-1773	91	22	of	of	ADP
fcis-1773	91	23	any	any	DET
fcis-1773	91	24	length	length	NOUN
fcis-1773	91	25	into	into	ADP
fcis-1773	91	26	a	a	DET
fcis-1773	91	27	fixedlength	fixedlength	NOUN
fcis-1773	91	28	string	string	NOUN
fcis-1773	91	29	of	of	ADP
fcis-1773	91	30	binary	binary	ADJ
fcis-1773	91	31	values	value	NOUN
fcis-1773	91	32	,	,	PUNCT
fcis-1773	91	33	or	or	CCONJ
fcis-1773	91	34	hashes	hash	NOUN
fcis-1773	91	35	,	,	PUNCT
fcis-1773	91	36	in	in	ADP
fcis-1773	91	37	a	a	DET
fcis-1773	91	38	finite	finite	ADJ
fcis-1773	91	39	and	and	CCONJ
fcis-1773	91	40	appropriate	appropriate	ADJ
fcis-1773	91	41	amount	amount	NOUN
fcis-1773	91	42	of	of	ADP
fcis-1773	91	43	time	time	NOUN
fcis-1773	91	44	[	[	X
fcis-1773	91	45	12	12	NUM
fcis-1773	91	46	]	]	PUNCT
fcis-1773	91	47	.	.	PUNCT
fcis-1773	92	1	the	the	DET
fcis-1773	92	2	hash	hash	NOUN
fcis-1773	92	3	function	function	NOUN
fcis-1773	92	4	ensures	ensure	VERB
fcis-1773	92	5	the	the	DET
fcis-1773	92	6	security	security	NOUN
fcis-1773	92	7	and	and	CCONJ
fcis-1773	92	8	integrity	integrity	NOUN
fcis-1773	92	9	of	of	ADP
fcis-1773	92	10	data	datum	NOUN
fcis-1773	92	11	in	in	ADP
fcis-1773	92	12	a	a	DET
fcis-1773	92	13	blockchain	blockchain	NOUN
fcis-1773	92	14	system	system	NOUN
fcis-1773	92	15	.	.	PUNCT
fcis-1773	93	1	in	in	ADP
fcis-1773	93	2	blockchain	blockchain	PROPN
fcis-1773	93	3	,	,	PUNCT
fcis-1773	93	4	the	the	DET
fcis-1773	93	5	hash	hash	NOUN
fcis-1773	93	6	algorithm	algorithm	NOUN
fcis-1773	93	7	is	be	AUX
fcis-1773	93	8	used	use	VERB
fcis-1773	93	9	to	to	PART
fcis-1773	93	10	perform	perform	VERB
fcis-1773	93	11	calculations	calculation	NOUN
fcis-1773	93	12	on	on	ADP
fcis-1773	93	13	the	the	DET
fcis-1773	93	14	digital	digital	ADJ
fcis-1773	93	15	content	content	NOUN
fcis-1773	93	16	to	to	PART
fcis-1773	93	17	form	form	VERB
fcis-1773	93	18	a	a	DET
fcis-1773	93	19	digital	digital	ADJ
fcis-1773	93	20	digest	digest	NOUN
fcis-1773	93	21	,	,	PUNCT
fcis-1773	93	22	which	which	PRON
fcis-1773	93	23	can	can	AUX
fcis-1773	93	24	be	be	AUX
fcis-1773	93	25	used	use	VERB
fcis-1773	93	26	to	to	PART
fcis-1773	93	27	ensure	ensure	VERB
fcis-1773	93	28	that	that	SCONJ
fcis-1773	93	29	the	the	DET
fcis-1773	93	30	content	content	NOUN
fcis-1773	93	31	has	have	AUX
fcis-1773	93	32	not	not	PART
fcis-1773	93	33	been	be	AUX
fcis-1773	93	34	tampered	tamper	VERB
fcis-1773	93	35	with	with	ADP
fcis-1773	93	36	.	.	PUNCT
fcis-1773	94	1	the	the	DET
fcis-1773	94	2	hash	hash	NOUN
fcis-1773	94	3	function	function	NOUN
fcis-1773	94	4	commonly	commonly	ADV
fcis-1773	94	5	used	use	VERB
fcis-1773	94	6	in	in	ADP
fcis-1773	94	7	blockchain	blockchain	PROPN
fcis-1773	94	8	technology	technology	PROPN
fcis-1773	94	9	is	be	AUX
fcis-1773	94	10	sha256	sha256	PROPN
fcis-1773	94	11	,	,	PUNCT
fcis-1773	94	12	which	which	PRON
fcis-1773	94	13	is	be	AUX
fcis-1773	94	14	collision	collision	NOUN
fcis-1773	94	15	-	-	PUNCT
fcis-1773	94	16	resistant	resistant	ADJ
fcis-1773	94	17	and	and	CCONJ
fcis-1773	94	18	can	can	AUX
fcis-1773	94	19	be	be	AUX
fcis-1773	94	20	used	use	VERB
fcis-1773	94	21	as	as	ADP
fcis-1773	94	22	a	a	DET
fcis-1773	94	23	data	data	NOUN
fcis-1773	94	24	integrity	integrity	NOUN
fcis-1773	94	25	check	check	NOUN
fcis-1773	94	26	.	.	PUNCT
fcis-1773	95	1	if	if	SCONJ
fcis-1773	95	2	the	the	DET
fcis-1773	95	3	original	original	ADJ
fcis-1773	95	4	message	message	NOUN
fcis-1773	95	5	is	be	AUX
fcis-1773	95	6	tampered	tamper	VERB
fcis-1773	95	7	with	with	ADP
fcis-1773	95	8	during	during	ADP
fcis-1773	95	9	transmission	transmission	NOUN
fcis-1773	95	10	,	,	PUNCT
fcis-1773	95	11	the	the	DET
fcis-1773	95	12	hash	hash	NOUN
fcis-1773	95	13	value	value	NOUN
fcis-1773	95	14	has	have	AUX
fcis-1773	95	15	been	be	AUX
fcis-1773	95	16	changed	change	VERB
fcis-1773	95	17	after	after	ADP
fcis-1773	95	18	the	the	DET
fcis-1773	95	19	hash	hash	NOUN
fcis-1773	95	20	function	function	NOUN
fcis-1773	95	21	calculation	calculation	NOUN
fcis-1773	95	22	,	,	PUNCT
fcis-1773	95	23	representing	represent	VERB
fcis-1773	95	24	that	that	SCONJ
fcis-1773	95	25	the	the	DET
fcis-1773	95	26	integrity	integrity	NOUN
fcis-1773	95	27	of	of	ADP
fcis-1773	95	28	the	the	DET
fcis-1773	95	29	message	message	NOUN
fcis-1773	95	30	was	be	AUX
fcis-1773	95	31	broken	break	VERB
fcis-1773	95	32	during	during	ADP
fcis-1773	95	33	transmission	transmission	NOUN
fcis-1773	95	34	.	.	PUNCT
fcis-1773	96	1	in	in	ADP
fcis-1773	96	2	blockchain	blockchain	PROPN
fcis-1773	96	3	,	,	PUNCT
fcis-1773	96	4	the	the	DET
fcis-1773	96	5	block	block	NOUN
fcis-1773	96	6	header	header	NOUN
fcis-1773	96	7	stores	store	NOUN
fcis-1773	96	8	the	the	DET
fcis-1773	96	9	hash	hash	NOUN
fcis-1773	96	10	value	value	NOUN
fcis-1773	96	11	of	of	ADP
fcis-1773	96	12	the	the	DET
fcis-1773	96	13	previous	previous	ADJ
fcis-1773	96	14	block	block	NOUN
fcis-1773	96	15	,	,	PUNCT
fcis-1773	96	16	so	so	SCONJ
fcis-1773	96	17	the	the	DET
fcis-1773	96	18	integrity	integrity	NOUN
fcis-1773	96	19	of	of	ADP
fcis-1773	96	20	the	the	DET
fcis-1773	96	21	data	datum	NOUN
fcis-1773	96	22	in	in	ADP
fcis-1773	96	23	the	the	DET
fcis-1773	96	24	previous	previous	ADJ
fcis-1773	96	25	block	block	NOUN
fcis-1773	96	26	can	can	AUX
fcis-1773	96	27	be	be	AUX
fcis-1773	96	28	checked	check	VERB
fcis-1773	96	29	by	by	ADP
fcis-1773	96	30	comparing	compare	VERB
fcis-1773	96	31	the	the	DET
fcis-1773	96	32	hash	hash	NOUN
fcis-1773	96	33	value	value	NOUN
fcis-1773	96	34	calculated	calculate	VERB
fcis-1773	96	35	by	by	ADP
fcis-1773	96	36	the	the	DET
fcis-1773	96	37	sha256	sha256	PROPN
fcis-1773	96	38	function	function	NOUN
fcis-1773	96	39	with	with	ADP
fcis-1773	96	40	the	the	DET
fcis-1773	96	41	already	already	ADV
fcis-1773	96	42	existing	exist	VERB
fcis-1773	96	43	hash	hash	NOUN
fcis-1773	96	44	value	value	NOUN
fcis-1773	96	45	.	.	PUNCT
fcis-1773	97	1	3	3	X
fcis-1773	97	2	.	.	X
fcis-1773	97	3	blockchain	blockchain	NOUN
fcis-1773	97	4	-	-	PUNCT
fcis-1773	97	5	based	base	VERB
fcis-1773	97	6	communication	communication	NOUN
fcis-1773	97	7	mechanism	mechanism	NOUN
fcis-1773	97	8	for	for	ADP
fcis-1773	97	9	unmanned	unmanned	ADJ
fcis-1773	97	10	aircraft	aircraft	NOUN
fcis-1773	97	11	this	this	DET
fcis-1773	97	12	paper	paper	NOUN
fcis-1773	97	13	first	first	ADV
fcis-1773	97	14	introduces	introduce	VERB
fcis-1773	97	15	the	the	DET
fcis-1773	97	16	current	current	ADJ
fcis-1773	97	17	situation	situation	NOUN
fcis-1773	97	18	and	and	CCONJ
fcis-1773	97	19	challenges	challenge	NOUN
fcis-1773	97	20	of	of	ADP
fcis-1773	97	21	unmanned	unmanned	ADJ
fcis-1773	97	22	aircraft	aircraft	NOUN
fcis-1773	97	23	and	and	CCONJ
fcis-1773	97	24	blockchain	blockchain	PROPN
fcis-1773	97	25	,	,	PUNCT
fcis-1773	97	26	combines	combine	VERB
fcis-1773	97	27	the	the	DET
fcis-1773	97	28	unmanned	unmanned	ADJ
fcis-1773	97	29	aircraft	aircraft	NOUN
fcis-1773	97	30	network	network	NOUN
fcis-1773	97	31	with	with	ADP
fcis-1773	97	32	blockchain	blockchain	PROPN
fcis-1773	97	33	,	,	PUNCT
fcis-1773	97	34	and	and	CCONJ
fcis-1773	97	35	under	under	ADP
fcis-1773	97	36	the	the	DET
fcis-1773	97	37	premise	premise	NOUN
fcis-1773	97	38	of	of	ADP
fcis-1773	97	39	optimising	optimise	VERB
fcis-1773	97	40	the	the	DET
fcis-1773	97	41	unmanned	unmanned	ADJ
fcis-1773	97	42	aircraft	aircraft	NOUN
fcis-1773	97	43	network	network	NOUN
fcis-1773	97	44	as	as	ADV
fcis-1773	97	45	well	well	ADV
fcis-1773	97	46	as	as	ADP
fcis-1773	97	47	safeguarding	safeguard	VERB
fcis-1773	97	48	user	user	NOUN
fcis-1773	97	49	privacy	privacy	NOUN
fcis-1773	97	50	,	,	PUNCT
fcis-1773	97	51	and	and	CCONJ
fcis-1773	97	52	addresses	address	VERB
fcis-1773	97	53	the	the	DET
fcis-1773	97	54	problem	problem	NOUN
fcis-1773	97	55	of	of	ADP
fcis-1773	97	56	multiparty	multiparty	NOUN
fcis-1773	97	57	sharing	sharing	NOUN
fcis-1773	97	58	in	in	ADP
fcis-1773	97	59	the	the	DET
fcis-1773	97	60	unmanned	unmanned	ADJ
fcis-1773	97	61	aircraft	aircraft	NOUN
fcis-1773	97	62	network	network	NOUN
fcis-1773	97	63	,	,	PUNCT
fcis-1773	97	64	this	this	DET
fcis-1773	97	65	paper	paper	NOUN
fcis-1773	97	66	proposes	propose	VERB
fcis-1773	97	67	a	a	DET
fcis-1773	97	68	unmanned	unmanned	ADJ
fcis-1773	97	69	aircraft	aircraft	NOUN
fcis-1773	97	70	communication	communication	NOUN
fcis-1773	97	71	mechanism	mechanism	NOUN
fcis-1773	97	72	based	base	VERB
fcis-1773	97	73	on	on	ADP
fcis-1773	97	74	blockchain	blockchain	PROPN
fcis-1773	97	75	technology	technology	PROPN
fcis-1773	97	76	to	to	PART
fcis-1773	97	77	achieve	achieve	VERB
fcis-1773	97	78	unmanned	unmanned	ADJ
fcis-1773	97	79	aircraft	aircraft	NOUN
fcis-1773	97	80	data	datum	NOUN
fcis-1773	97	81	security	security	NOUN
fcis-1773	97	82	and	and	CCONJ
fcis-1773	97	83	privacy	privacy	NOUN
fcis-1773	97	84	protection	protection	NOUN
fcis-1773	97	85	,	,	PUNCT
fcis-1773	97	86	multiparty	multiparty	NOUN
fcis-1773	97	87	data	datum	NOUN
fcis-1773	97	88	sharing	sharing	NOUN
fcis-1773	97	89	and	and	CCONJ
fcis-1773	97	90	data	datum	NOUN
fcis-1773	97	91	storage	storage	NOUN
fcis-1773	97	92	security	security	NOUN
fcis-1773	97	93	to	to	PART
fcis-1773	97	94	ensure	ensure	VERB
fcis-1773	97	95	unmanned	unmanned	ADJ
fcis-1773	97	96	aircraft	aircraft	NOUN
fcis-1773	97	97	network	network	NOUN
fcis-1773	97	98	security	security	NOUN
fcis-1773	97	99	.	.	PUNCT
fcis-1773	98	1	the	the	DET
fcis-1773	98	2	blockchain	blockchain	NOUN
fcis-1773	98	3	-	-	PUNCT
fcis-1773	98	4	based	base	VERB
fcis-1773	98	5	communication	communication	NOUN
fcis-1773	98	6	mechanism	mechanism	NOUN
fcis-1773	98	7	for	for	ADP
fcis-1773	98	8	unmanned	unmanned	ADJ
fcis-1773	98	9	aircraft	aircraft	NOUN
fcis-1773	98	10	is	be	AUX
fcis-1773	98	11	shown	show	VERB
fcis-1773	98	12	in	in	ADP
fcis-1773	98	13	figure	figure	NOUN
fcis-1773	98	14	3	3	NUM
fcis-1773	98	15	.	.	PUNCT
fcis-1773	98	16	(	(	PUNCT
fcis-1773	98	17	1	1	X
fcis-1773	98	18	)	)	PUNCT
fcis-1773	98	19	data	datum	NOUN
fcis-1773	98	20	security	security	NOUN
fcis-1773	98	21	and	and	CCONJ
fcis-1773	98	22	privacy	privacy	NOUN
fcis-1773	98	23	protection	protection	NOUN
fcis-1773	98	24	with	with	ADP
fcis-1773	98	25	the	the	DET
fcis-1773	98	26	maturity	maturity	NOUN
fcis-1773	98	27	of	of	ADP
fcis-1773	98	28	unmanned	unmanned	ADJ
fcis-1773	98	29	aircraft	aircraft	NOUN
fcis-1773	98	30	technology	technology	NOUN
fcis-1773	98	31	,	,	PUNCT
fcis-1773	98	32	it	it	PRON
fcis-1773	98	33	has	have	AUX
fcis-1773	98	34	become	become	VERB
fcis-1773	98	35	possible	possible	ADJ
fcis-1773	98	36	to	to	PART
fcis-1773	98	37	use	use	VERB
fcis-1773	98	38	unmanned	unmanned	ADJ
fcis-1773	98	39	aircraft	aircraft	NOUN
fcis-1773	98	40	to	to	PART
fcis-1773	98	41	complete	complete	VERB
fcis-1773	98	42	some	some	DET
fcis-1773	98	43	difficult	difficult	ADJ
fcis-1773	98	44	,	,	PUNCT
fcis-1773	98	45	dangerous	dangerous	ADJ
fcis-1773	98	46	and	and	CCONJ
fcis-1773	98	47	toxic	toxic	ADJ
fcis-1773	98	48	jobs	job	NOUN
fcis-1773	98	49	that	that	PRON
fcis-1773	98	50	are	be	AUX
fcis-1773	98	51	difficult	difficult	ADJ
fcis-1773	98	52	for	for	SCONJ
fcis-1773	98	53	humans	human	NOUN
fcis-1773	98	54	to	to	PART
fcis-1773	98	55	complete	complete	VERB
fcis-1773	98	56	.	.	PUNCT
fcis-1773	99	1	unmanned	unmanned	ADJ
fcis-1773	99	2	aircraft	aircraft	NOUN
fcis-1773	99	3	transmit	transmit	VERB
fcis-1773	99	4	information	information	NOUN
fcis-1773	99	5	through	through	ADP
fcis-1773	99	6	mobile	mobile	ADJ
fcis-1773	99	7	networks	network	NOUN
fcis-1773	99	8	to	to	PART
fcis-1773	99	9	complete	complete	VERB
fcis-1773	99	10	efficient	efficient	ADJ
fcis-1773	99	11	collaboration	collaboration	NOUN
fcis-1773	99	12	.	.	PUNCT
fcis-1773	100	1	however	however	ADV
fcis-1773	100	2	,	,	PUNCT
fcis-1773	100	3	the	the	DET
fcis-1773	100	4	unmanned	unmanned	ADJ
fcis-1773	100	5	aircraft	aircraft	NOUN
fcis-1773	100	6	network	network	NOUN
fcis-1773	100	7	itself	itself	PRON
fcis-1773	100	8	has	have	VERB
fcis-1773	100	9	serious	serious	ADJ
fcis-1773	100	10	privacy	privacy	NOUN
fcis-1773	100	11	leakage	leakage	NOUN
fcis-1773	100	12	issues	issue	NOUN
fcis-1773	100	13	and	and	CCONJ
fcis-1773	100	14	cyber	cyber	NOUN
fcis-1773	100	15	-	-	PUNCT
fcis-1773	100	16	attacks	attack	NOUN
fcis-1773	100	17	,	,	PUNCT
fcis-1773	100	18	which	which	PRON
fcis-1773	100	19	is	be	AUX
fcis-1773	100	20	a	a	DET
fcis-1773	100	21	big	big	ADJ
fcis-1773	100	22	problem	problem	NOUN
fcis-1773	100	23	that	that	PRON
fcis-1773	100	24	needs	need	VERB
fcis-1773	100	25	to	to	PART
fcis-1773	100	26	be	be	AUX
fcis-1773	100	27	addressed	address	VERB
fcis-1773	100	28	for	for	ADP
fcis-1773	100	29	the	the	DET
fcis-1773	100	30	widespread	widespread	ADJ
fcis-1773	100	31	use	use	NOUN
fcis-1773	100	32	of	of	ADP
fcis-1773	100	33	unmanned	unmanned	ADJ
fcis-1773	100	34	aircraft	aircraft	NOUN
fcis-1773	100	35	.	.	PUNCT
fcis-1773	101	1	the	the	DET
fcis-1773	101	2	data	datum	NOUN
fcis-1773	101	3	collected	collect	VERB
fcis-1773	101	4	by	by	ADP
fcis-1773	101	5	unmanned	unmanned	ADJ
fcis-1773	101	6	aircraft	aircraft	NOUN
fcis-1773	101	7	is	be	AUX
fcis-1773	101	8	a	a	DET
fcis-1773	101	9	highly	highly	ADV
fcis-1773	101	10	private	private	ADJ
fcis-1773	101	11	record	record	NOUN
fcis-1773	101	12	of	of	ADP
fcis-1773	101	13	the	the	DET
fcis-1773	101	14	user	user	NOUN
fcis-1773	101	15	,	,	PUNCT
fcis-1773	101	16	and	and	CCONJ
fcis-1773	101	17	a	a	DET
fcis-1773	101	18	privacy	privacy	NOUN
fcis-1773	101	19	breach	breach	NOUN
fcis-1773	101	20	could	could	AUX
fcis-1773	101	21	result	result	VERB
fcis-1773	101	22	in	in	ADP
fcis-1773	101	23	damage	damage	NOUN
fcis-1773	101	24	to	to	ADP
fcis-1773	101	25	the	the	DET
fcis-1773	101	26	user	user	NOUN
fcis-1773	101	27	's	's	PART
fcis-1773	101	28	privacy	privacy	NOUN
fcis-1773	101	29	and	and	CCONJ
fcis-1773	101	30	the	the	DET
fcis-1773	101	31	data	datum	NOUN
fcis-1773	101	32	falling	fall	VERB
fcis-1773	101	33	into	into	ADP
fcis-1773	101	34	the	the	DET
fcis-1773	101	35	hands	hand	NOUN
fcis-1773	101	36	of	of	ADP
fcis-1773	101	37	a	a	DET
fcis-1773	101	38	malicious	malicious	ADJ
fcis-1773	101	39	attacker	attacker	NOUN
fcis-1773	101	40	.	.	PUNCT
fcis-1773	102	1	therefore	therefore	ADV
fcis-1773	102	2	,	,	PUNCT
fcis-1773	102	3	encryption	encryption	NOUN
fcis-1773	102	4	methods	method	NOUN
fcis-1773	102	5	need	need	VERB
fcis-1773	102	6	to	to	PART
fcis-1773	102	7	be	be	AUX
fcis-1773	102	8	able	able	ADJ
fcis-1773	102	9	to	to	PART
fcis-1773	102	10	cope	cope	VERB
fcis-1773	102	11	with	with	ADP
fcis-1773	102	12	malicious	malicious	ADJ
fcis-1773	102	13	attacks	attack	NOUN
fcis-1773	102	14	by	by	ADP
fcis-1773	102	15	attackers	attacker	NOUN
fcis-1773	102	16	.	.	PUNCT
fcis-1773	103	1	a	a	DET
fcis-1773	103	2	blockchain	blockchain	PROPN
fcis-1773	103	3	is	be	AUX
fcis-1773	103	4	a	a	DET
fcis-1773	103	5	network	network	NOUN
fcis-1773	103	6	of	of	ADP
fcis-1773	103	7	peer	peer	NOUN
fcis-1773	103	8	-	-	PUNCT
fcis-1773	103	9	to	to	ADP
fcis-1773	103	10	-	-	PUNCT
fcis-1773	103	11	peer	peer	NOUN
fcis-1773	103	12	components	component	NOUN
fcis-1773	103	13	that	that	PRON
fcis-1773	103	14	has	have	VERB
fcis-1773	103	15	a	a	DET
fcis-1773	103	16	similar	similar	ADJ
fcis-1773	103	17	network	network	NOUN
fcis-1773	103	18	structure	structure	NOUN
fcis-1773	103	19	to	to	ADP
fcis-1773	103	20	a	a	DET
fcis-1773	103	21	unmanned	unmanned	ADJ
fcis-1773	103	22	aircraft	aircraft	NOUN
fcis-1773	103	23	network	network	NOUN
fcis-1773	103	24	.	.	PUNCT
fcis-1773	104	1	blockchain	blockchain	PROPN
fcis-1773	104	2	uses	use	VERB
fcis-1773	104	3	techniques	technique	NOUN
fcis-1773	104	4	such	such	ADJ
fcis-1773	104	5	as	as	ADP
fcis-1773	104	6	hash	hash	NOUN
fcis-1773	104	7	functions	function	NOUN
fcis-1773	104	8	and	and	CCONJ
fcis-1773	104	9	elliptic	elliptic	ADJ
fcis-1773	104	10	curve	curve	NOUN
fcis-1773	104	11	encryption	encryption	NOUN
fcis-1773	104	12	to	to	PART
fcis-1773	104	13	secure	secure	VERB
fcis-1773	104	14	data	datum	NOUN
fcis-1773	104	15	.	.	PUNCT
fcis-1773	105	1	blockchain	blockchain	PROPN
fcis-1773	105	2	guarantees	guarantee	VERB
fcis-1773	105	3	data	datum	NOUN
fcis-1773	105	4	consistency	consistency	NOUN
fcis-1773	105	5	through	through	ADP
fcis-1773	105	6	consensus	consensus	NOUN
fcis-1773	105	7	mechanisms	mechanism	NOUN
fcis-1773	105	8	,	,	PUNCT
fcis-1773	105	9	and	and	CCONJ
fcis-1773	105	10	data	datum	NOUN
fcis-1773	105	11	confidentiality	confidentiality	NOUN
fcis-1773	105	12	and	and	CCONJ
fcis-1773	105	13	security	security	NOUN
fcis-1773	105	14	through	through	ADP
fcis-1773	105	15	cryptographic	cryptographic	ADJ
fcis-1773	105	16	algorithms	algorithm	NOUN
fcis-1773	105	17	.	.	PUNCT
fcis-1773	106	1	(	(	PUNCT
fcis-1773	106	2	2	2	X
fcis-1773	106	3	)	)	PUNCT
fcis-1773	106	4	multi	multi	ADJ
fcis-1773	106	5	-	-	ADJ
fcis-1773	106	6	party	party	ADJ
fcis-1773	106	7	data	datum	NOUN
fcis-1773	106	8	sharing	share	VERB
fcis-1773	106	9	unmanned	unmanned	ADJ
fcis-1773	106	10	aircraft	aircraft	NOUN
fcis-1773	106	11	systems	system	NOUN
fcis-1773	106	12	are	be	AUX
fcis-1773	106	13	developing	develop	VERB
fcis-1773	106	14	rapidly	rapidly	ADV
fcis-1773	106	15	and	and	CCONJ
fcis-1773	106	16	gradually	gradually	ADV
fcis-1773	106	17	increasing	increase	VERB
fcis-1773	106	18	in	in	ADP
fcis-1773	106	19	scale	scale	NOUN
fcis-1773	106	20	,	,	PUNCT
fcis-1773	106	21	requiring	require	VERB
fcis-1773	106	22	multiple	multiple	ADJ
fcis-1773	106	23	uavs	uavs	NOUN
fcis-1773	106	24	to	to	PART
fcis-1773	106	25	collaborate	collaborate	VERB
fcis-1773	106	26	with	with	ADP
fcis-1773	106	27	each	each	DET
fcis-1773	106	28	other	other	ADJ
fcis-1773	106	29	in	in	ADP
fcis-1773	106	30	order	order	NOUN
fcis-1773	106	31	to	to	PART
fcis-1773	106	32	complete	complete	VERB
fcis-1773	106	33	their	their	PRON
fcis-1773	106	34	tasks	task	NOUN
fcis-1773	106	35	.	.	PUNCT
fcis-1773	107	1	however	however	ADV
fcis-1773	107	2	,	,	PUNCT
fcis-1773	107	3	the	the	DET
fcis-1773	107	4	current	current	ADJ
fcis-1773	107	5	uav	uav	PROPN
fcis-1773	107	6	data	data	PROPN
fcis-1773	107	7	collection	collection	NOUN
fcis-1773	107	8	is	be	AUX
fcis-1773	107	9	localised	localise	VERB
fcis-1773	107	10	and	and	CCONJ
fcis-1773	107	11	home	home	NOUN
fcis-1773	107	12	-	-	PUNCT
fcis-1773	107	13	made	make	VERB
fcis-1773	107	14	,	,	PUNCT
fcis-1773	107	15	relying	rely	VERB
fcis-1773	107	16	mainly	mainly	ADV
fcis-1773	107	17	on	on	ADP
fcis-1773	107	18	independently	independently	ADV
fcis-1773	107	19	operating	operate	VERB
fcis-1773	107	20	uas	uas	PROPN
fcis-1773	107	21	,	,	PUNCT
fcis-1773	107	22	and	and	CCONJ
fcis-1773	107	23	it	it	PRON
fcis-1773	107	24	is	be	AUX
fcis-1773	107	25	difficult	difficult	ADJ
fcis-1773	107	26	to	to	PART
fcis-1773	107	27	achieve	achieve	VERB
fcis-1773	107	28	multi	multi	ADJ
fcis-1773	107	29	-	-	ADJ
fcis-1773	107	30	party	party	ADJ
fcis-1773	107	31	data	datum	NOUN
fcis-1773	107	32	sharing	sharing	NOUN
fcis-1773	107	33	.	.	PUNCT
fcis-1773	108	1	the	the	DET
fcis-1773	108	2	lack	lack	NOUN
fcis-1773	108	3	of	of	ADP
fcis-1773	108	4	effective	effective	ADJ
fcis-1773	108	5	data	datum	NOUN
fcis-1773	108	6	sharing	sharing	NOUN
fcis-1773	108	7	can	can	AUX
fcis-1773	108	8	lead	lead	VERB
fcis-1773	108	9	to	to	ADP
fcis-1773	108	10	information	information	NOUN
fcis-1773	108	11	blockage	blockage	NOUN
fcis-1773	108	12	,	,	PUNCT
fcis-1773	108	13	and	and	CCONJ
fcis-1773	108	14	the	the	DET
fcis-1773	108	15	true	true	ADJ
fcis-1773	108	16	value	value	NOUN
fcis-1773	108	17	of	of	ADP
fcis-1773	108	18	the	the	DET
fcis-1773	108	19	data	datum	NOUN
fcis-1773	108	20	can	can	AUX
fcis-1773	108	21	not	not	PART
fcis-1773	108	22	be	be	AUX
fcis-1773	108	23	realised	realise	VERB
fcis-1773	108	24	without	without	ADP
fcis-1773	108	25	information	information	NOUN
fcis-1773	108	26	interaction	interaction	NOUN
fcis-1773	108	27	.	.	PUNCT
fcis-1773	109	1	by	by	ADP
fcis-1773	109	2	introducing	introduce	VERB
fcis-1773	109	3	blockchain	blockchain	PROPN
fcis-1773	109	4	technology	technology	PROPN
fcis-1773	109	5	,	,	PUNCT
fcis-1773	109	6	the	the	DET
fcis-1773	109	7	uas	uas	PROPN
fcis-1773	109	8	network	network	NOUN
fcis-1773	109	9	realises	realise	VERB
fcis-1773	109	10	multi	multi	ADJ
fcis-1773	109	11	-	-	ADJ
fcis-1773	109	12	party	party	ADJ
fcis-1773	109	13	data	datum	NOUN
fcis-1773	109	14	sharing	sharing	NOUN
fcis-1773	109	15	.	.	PUNCT
fcis-1773	110	1	(	(	PUNCT
fcis-1773	110	2	3	3	X
fcis-1773	110	3	)	)	PUNCT
fcis-1773	110	4	data	datum	NOUN
fcis-1773	110	5	storage	storage	NOUN
fcis-1773	110	6	security	security	NOUN
fcis-1773	110	7	unmanned	unmanned	ADJ
fcis-1773	110	8	aircraft	aircraft	NOUN
fcis-1773	110	9	collect	collect	VERB
fcis-1773	110	10	data	datum	NOUN
fcis-1773	110	11	and	and	CCONJ
fcis-1773	110	12	upload	upload	VERB
fcis-1773	110	13	the	the	DET
fcis-1773	110	14	collected	collect	VERB
fcis-1773	110	15	data	datum	NOUN
fcis-1773	110	16	regularly	regularly	ADV
fcis-1773	110	17	through	through	ADP
fcis-1773	110	18	neighbouring	neighbouring	ADJ
fcis-1773	110	19	data	data	NOUN
fcis-1773	110	20	collection	collection	NOUN
fcis-1773	110	21	base	base	NOUN
fcis-1773	110	22	stations	station	NOUN
fcis-1773	110	23	.	.	PUNCT
fcis-1773	111	1	this	this	DET
fcis-1773	111	2	data	data	NOUN
fcis-1773	111	3	is	be	AUX
fcis-1773	111	4	stored	store	VERB
fcis-1773	111	5	at	at	ADP
fcis-1773	111	6	a	a	DET
fcis-1773	111	7	trusted	trust	VERB
fcis-1773	111	8	central	central	ADJ
fcis-1773	111	9	node	node	NOUN
fcis-1773	111	10	,	,	PUNCT
fcis-1773	111	11	implying	imply	VERB
fcis-1773	111	12	a	a	DET
fcis-1773	111	13	centralised	centralised	ADJ
fcis-1773	111	14	management	management	NOUN
fcis-1773	111	15	approach	approach	NOUN
fcis-1773	111	16	.	.	PUNCT
fcis-1773	112	1	however	however	ADV
fcis-1773	112	2	,	,	PUNCT
fcis-1773	112	3	this	this	DET
fcis-1773	112	4	centralised	centralised	ADJ
fcis-1773	112	5	management	management	NOUN
fcis-1773	112	6	requires	require	VERB
fcis-1773	112	7	a	a	DET
fcis-1773	112	8	high	high	ADJ
fcis-1773	112	9	level	level	NOUN
fcis-1773	112	10	of	of	ADP
fcis-1773	112	11	data	datum	NOUN
fcis-1773	112	12	storage	storage	NOUN
fcis-1773	112	13	security	security	NOUN
fcis-1773	112	14	,	,	PUNCT
fcis-1773	112	15	stability	stability	NOUN
fcis-1773	112	16	and	and	CCONJ
fcis-1773	112	17	timeliness	timeliness	NOUN
fcis-1773	112	18	,	,	PUNCT
fcis-1773	112	19	as	as	ADV
fcis-1773	112	20	well	well	ADV
fcis-1773	112	21	as	as	ADP
fcis-1773	112	22	a	a	DET
fcis-1773	112	23	high	high	ADJ
fcis-1773	112	24	risk	risk	NOUN
fcis-1773	112	25	of	of	ADP
fcis-1773	112	26	single	single	ADJ
fcis-1773	112	27	point	point	NOUN
fcis-1773	112	28	of	of	ADP
fcis-1773	112	29	attack	attack	NOUN
fcis-1773	112	30	and	and	CCONJ
fcis-1773	112	31	malicious	malicious	ADJ
fcis-1773	112	32	tampering	tampering	NOUN
fcis-1773	112	33	.	.	PUNCT
fcis-1773	113	1	with	with	ADP
fcis-1773	113	2	a	a	DET
fcis-1773	113	3	centralised	centralised	ADJ
fcis-1773	113	4	management	management	NOUN
fcis-1773	113	5	mechanism	mechanism	NOUN
fcis-1773	113	6	,	,	PUNCT
fcis-1773	113	7	it	it	PRON
fcis-1773	113	8	is	be	AUX
fcis-1773	113	9	difficult	difficult	ADJ
fcis-1773	113	10	to	to	PART
fcis-1773	113	11	recover	recover	VERB
fcis-1773	113	12	quickly	quickly	ADV
fcis-1773	113	13	from	from	ADP
fcis-1773	113	14	an	an	DET
fcis-1773	113	15	attack	attack	NOUN
fcis-1773	113	16	,	,	PUNCT
fcis-1773	113	17	so	so	SCONJ
fcis-1773	113	18	there	there	PRON
fcis-1773	113	19	is	be	VERB
fcis-1773	113	20	an	an	DET
fcis-1773	113	21	urgent	urgent	ADJ
fcis-1773	113	22	need	need	NOUN
fcis-1773	113	23	to	to	PART
fcis-1773	113	24	design	design	VERB
fcis-1773	113	25	a	a	DET
fcis-1773	113	26	decentralised	decentralise	VERB
fcis-1773	113	27	storage	storage	NOUN
fcis-1773	113	28	mechanism	mechanism	NOUN
fcis-1773	113	29	to	to	PART
fcis-1773	113	30	guarantee	guarantee	VERB
fcis-1773	113	31	the	the	DET
fcis-1773	113	32	safe	safe	ADJ
fcis-1773	113	33	storage	storage	NOUN
fcis-1773	113	34	of	of	ADP
fcis-1773	113	35	unmanned	unmanned	ADJ
fcis-1773	113	36	aircraft	aircraft	NOUN
fcis-1773	113	37	data	datum	NOUN
fcis-1773	113	38	.	.	PUNCT
fcis-1773	114	1	62	62	NUM
fcis-1773	114	2	figure	figure	NOUN
fcis-1773	114	3	3	3	NUM
fcis-1773	114	4	.	.	PUNCT
fcis-1773	115	1	the	the	DET
fcis-1773	115	2	blockchain	blockchain	NOUN
fcis-1773	115	3	-	-	PUNCT
fcis-1773	115	4	based	base	VERB
fcis-1773	115	5	communication	communication	NOUN
fcis-1773	115	6	mechanism	mechanism	NOUN
fcis-1773	115	7	for	for	ADP
fcis-1773	115	8	unmanned	unmanned	ADJ
fcis-1773	115	9	aircraft	aircraft	NOUN
fcis-1773	115	10	4	4	NUM
fcis-1773	115	11	.	.	PUNCT
fcis-1773	115	12	conclusion	conclusion	NOUN
fcis-1773	115	13	this	this	DET
fcis-1773	115	14	paper	paper	NOUN
fcis-1773	115	15	first	first	ADV
fcis-1773	115	16	introduces	introduce	VERB
fcis-1773	115	17	the	the	DET
fcis-1773	115	18	current	current	ADJ
fcis-1773	115	19	situation	situation	NOUN
fcis-1773	115	20	and	and	CCONJ
fcis-1773	115	21	challenges	challenge	NOUN
fcis-1773	115	22	of	of	ADP
fcis-1773	115	23	uavs	uavs	NOUN
fcis-1773	115	24	and	and	CCONJ
fcis-1773	115	25	blockchain	blockchain	PROPN
fcis-1773	115	26	,	,	PUNCT
fcis-1773	115	27	combines	combine	VERB
fcis-1773	115	28	uav	uav	PROPN
fcis-1773	115	29	networks	network	NOUN
fcis-1773	115	30	with	with	ADP
fcis-1773	115	31	blockchain	blockchain	NOUN
fcis-1773	115	32	,	,	PUNCT
fcis-1773	115	33	and	and	CCONJ
fcis-1773	115	34	addresses	address	VERB
fcis-1773	115	35	the	the	DET
fcis-1773	115	36	problems	problem	NOUN
fcis-1773	115	37	of	of	ADP
fcis-1773	115	38	data	datum	NOUN
fcis-1773	115	39	security	security	NOUN
fcis-1773	115	40	and	and	CCONJ
fcis-1773	115	41	multi	multi	ADJ
fcis-1773	115	42	-	-	ADJ
fcis-1773	115	43	party	party	ADJ
fcis-1773	115	44	sharing	sharing	NOUN
fcis-1773	115	45	in	in	ADP
fcis-1773	115	46	uav	uav	PROPN
fcis-1773	115	47	networks	network	NOUN
fcis-1773	115	48	.	.	PUNCT
fcis-1773	116	1	this	this	DET
fcis-1773	116	2	paper	paper	NOUN
fcis-1773	116	3	proposes	propose	VERB
fcis-1773	116	4	a	a	DET
fcis-1773	116	5	uav	uav	PROPN
fcis-1773	116	6	communication	communication	NOUN
fcis-1773	116	7	mechanism	mechanism	NOUN
fcis-1773	116	8	based	base	VERB
fcis-1773	116	9	on	on	ADP
fcis-1773	116	10	blockchain	blockchain	PROPN
fcis-1773	116	11	technology	technology	PROPN
fcis-1773	116	12	to	to	PART
fcis-1773	116	13	achieve	achieve	VERB
fcis-1773	116	14	uav	uav	PROPN
fcis-1773	116	15	data	data	PROPN
fcis-1773	116	16	privacy	privacy	PROPN
fcis-1773	116	17	protection	protection	PROPN
fcis-1773	116	18	,	,	PUNCT
fcis-1773	116	19	multi	multi	ADJ
fcis-1773	116	20	-	-	ADJ
fcis-1773	116	21	party	party	ADJ
fcis-1773	116	22	data	datum	NOUN
fcis-1773	116	23	sharing	sharing	NOUN
fcis-1773	116	24	and	and	CCONJ
fcis-1773	116	25	data	datum	NOUN
fcis-1773	116	26	storage	storage	NOUN
fcis-1773	116	27	security	security	NOUN
fcis-1773	116	28	.	.	PUNCT
fcis-1773	117	1	references	reference	NOUN
fcis-1773	117	2	[	[	X
fcis-1773	117	3	1	1	NUM
fcis-1773	117	4	]	]	X
fcis-1773	117	5	gupta	gupta	PROPN
fcis-1773	117	6	s	s	PART
fcis-1773	117	7	g	g	NOUN
fcis-1773	117	8	,	,	PUNCT
fcis-1773	117	9	ghonge	ghonge	NOUN
fcis-1773	117	10	d	d	PROPN
fcis-1773	117	11	,	,	PUNCT
fcis-1773	117	12	jawandhiya	jawandhiya	PROPN
fcis-1773	117	13	p	p	PROPN
fcis-1773	117	14	m.	m.	PROPN
fcis-1773	117	15	review	review	NOUN
fcis-1773	117	16	of	of	ADP
fcis-1773	117	17	unmanned	unmanned	ADJ
fcis-1773	117	18	aircraft	aircraft	NOUN
fcis-1773	117	19	system	system	NOUN
fcis-1773	117	20	(	(	PUNCT
fcis-1773	117	21	uas)[j	uas)[j	NOUN
fcis-1773	117	22	]	]	PUNCT
fcis-1773	117	23	.	.	PUNCT
fcis-1773	118	1	international	international	ADJ
fcis-1773	118	2	journal	journal	PROPN
fcis-1773	118	3	of	of	ADP
fcis-1773	118	4	advanced	advanced	ADJ
fcis-1773	118	5	research	research	NOUN
fcis-1773	118	6	in	in	ADP
fcis-1773	118	7	computer	computer	NOUN
fcis-1773	118	8	engineering	engineering	NOUN
fcis-1773	118	9	&	&	CCONJ
fcis-1773	118	10	technology	technology	PROPN
fcis-1773	118	11	(	(	PUNCT
fcis-1773	118	12	ijarcet	ijarcet	NOUN
fcis-1773	118	13	)	)	PUNCT
fcis-1773	118	14	volume	volume	NOUN
fcis-1773	118	15	,	,	PUNCT
fcis-1773	118	16	2013	2013	NUM
fcis-1773	118	17	,	,	PUNCT
fcis-1773	118	18	2	2	NUM
fcis-1773	118	19	.	.	PUNCT
fcis-1773	118	20	w.-k	w.-k	PROPN
fcis-1773	118	21	.	.	PUNCT
fcis-1773	119	1	chen	chen	PROPN
fcis-1773	119	2	,	,	PUNCT
fcis-1773	119	3	linear	linear	ADJ
fcis-1773	119	4	networks	network	NOUN
fcis-1773	119	5	and	and	CCONJ
fcis-1773	119	6	systems	system	NOUN
fcis-1773	119	7	(	(	PUNCT
fcis-1773	119	8	book	book	NOUN
fcis-1773	119	9	style	style	NOUN
fcis-1773	119	10	)	)	PUNCT
fcis-1773	119	11	.	.	PUNCT
fcis-1773	120	1	belmont	belmont	PROPN
fcis-1773	120	2	,	,	PUNCT
fcis-1773	120	3	ca	can	AUX
fcis-1773	120	4	:	:	PUNCT
fcis-1773	120	5	wadsworth	wadsworth	NOUN
fcis-1773	120	6	,	,	PUNCT
fcis-1773	120	7	1993	1993	NUM
fcis-1773	120	8	,	,	PUNCT
fcis-1773	120	9	pp	pp	ADP
fcis-1773	120	10	.	.	PUNCT
fcis-1773	121	1	123–135	123–135	NUM
fcis-1773	121	2	.	.	PUNCT
fcis-1773	122	1	[	[	X
fcis-1773	122	2	2	2	X
fcis-1773	122	3	]	]	X
fcis-1773	122	4	zheng	zheng	PROPN
fcis-1773	122	5	z	z	PROPN
fcis-1773	122	6	,	,	PUNCT
fcis-1773	122	7	xie	xie	PROPN
fcis-1773	122	8	s	s	PROPN
fcis-1773	122	9	,	,	PUNCT
fcis-1773	122	10	dai	dai	PROPN
fcis-1773	122	11	h	h	PROPN
fcis-1773	122	12	n	n	CCONJ
fcis-1773	122	13	,	,	PUNCT
fcis-1773	122	14	et	et	PROPN
fcis-1773	122	15	al	al	PROPN
fcis-1773	122	16	.	.	PUNCT
fcis-1773	123	1	blockchain	blockchain	PROPN
fcis-1773	123	2	challenges	challenge	NOUN
fcis-1773	123	3	and	and	CCONJ
fcis-1773	123	4	opportunities	opportunity	NOUN
fcis-1773	123	5	:	:	PUNCT
fcis-1773	123	6	a	a	DET
fcis-1773	123	7	survey[j	survey[j	PROPN
fcis-1773	123	8	]	]	PUNCT
fcis-1773	123	9	.	.	PUNCT
fcis-1773	124	1	international	international	ADJ
fcis-1773	124	2	journal	journal	PROPN
fcis-1773	124	3	of	of	ADP
fcis-1773	124	4	web	web	NOUN
fcis-1773	124	5	and	and	CCONJ
fcis-1773	124	6	grid	grid	NOUN
fcis-1773	124	7	services	service	NOUN
fcis-1773	124	8	,	,	PUNCT
fcis-1773	124	9	2018	2018	NUM
fcis-1773	124	10	,	,	PUNCT
fcis-1773	124	11	14(4	14(4	NUM
fcis-1773	124	12	):	):	PUNCT
fcis-1773	124	13	352	352	NUM
fcis-1773	124	14	-	-	SYM
fcis-1773	124	15	375	375	NUM
fcis-1773	124	16	.	.	PUNCT
fcis-1773	125	1	[	[	X
fcis-1773	125	2	3	3	NUM
fcis-1773	125	3	]	]	PUNCT
fcis-1773	125	4	alladi	alladi	PROPN
fcis-1773	125	5	t	t	PROPN
fcis-1773	125	6	,	,	PUNCT
fcis-1773	125	7	chamola	chamola	PROPN
fcis-1773	125	8	v	v	PROPN
fcis-1773	125	9	,	,	PUNCT
fcis-1773	125	10	sahu	sahu	PROPN
fcis-1773	125	11	n	n	PROPN
fcis-1773	125	12	,	,	PUNCT
fcis-1773	125	13	et	et	PROPN
fcis-1773	125	14	al	al	PROPN
fcis-1773	125	15	.	.	PUNCT
fcis-1773	125	16	applications	application	NOUN
fcis-1773	125	17	of	of	ADP
fcis-1773	125	18	blockchain	blockchain	PROPN
fcis-1773	125	19	in	in	ADP
fcis-1773	125	20	unmanned	unmanned	ADJ
fcis-1773	125	21	aerial	aerial	ADJ
fcis-1773	125	22	vehicles	vehicle	NOUN
fcis-1773	125	23	:	:	PUNCT
fcis-1773	125	24	a	a	DET
fcis-1773	125	25	review[j	review[j	NOUN
fcis-1773	125	26	]	]	PUNCT
fcis-1773	125	27	.	.	PUNCT
fcis-1773	126	1	vehicular	vehicular	ADJ
fcis-1773	126	2	communications	communication	NOUN
fcis-1773	126	3	,	,	PUNCT
fcis-1773	126	4	2020	2020	NUM
fcis-1773	126	5	,	,	PUNCT
fcis-1773	126	6	23	23	NUM
fcis-1773	126	7	:	:	SYM
fcis-1773	126	8	100249	100249	NUM
fcis-1773	126	9	.	.	PUNCT
fcis-1773	127	1	[	[	X
fcis-1773	127	2	4	4	X
fcis-1773	127	3	]	]	X
fcis-1773	127	4	sanders	sander	NOUN
fcis-1773	127	5	n	n	PROPN
fcis-1773	127	6	r	r	PROPN
fcis-1773	127	7	,	,	PUNCT
fcis-1773	127	8	boone	boone	PROPN
fcis-1773	127	9	t	t	PROPN
fcis-1773	127	10	,	,	PUNCT
fcis-1773	127	11	ganeshan	ganeshan	NOUN
fcis-1773	127	12	r	r	NOUN
fcis-1773	127	13	,	,	PUNCT
fcis-1773	127	14	et	et	PROPN
fcis-1773	127	15	al	al	PROPN
fcis-1773	127	16	.	.	PROPN
fcis-1773	127	17	sustainable	sustainable	ADJ
fcis-1773	127	18	supply	supply	NOUN
fcis-1773	127	19	chains	chain	NOUN
fcis-1773	127	20	in	in	ADP
fcis-1773	127	21	the	the	DET
fcis-1773	127	22	age	age	NOUN
fcis-1773	127	23	of	of	ADP
fcis-1773	127	24	ai	ai	NOUN
fcis-1773	127	25	and	and	CCONJ
fcis-1773	127	26	digitization	digitization	NOUN
fcis-1773	127	27	:	:	PUNCT
fcis-1773	127	28	research	research	NOUN
fcis-1773	127	29	challenges	challenge	NOUN
fcis-1773	127	30	and	and	CCONJ
fcis-1773	127	31	opportunities[j	opportunities[j	NOUN
fcis-1773	127	32	]	]	PUNCT
fcis-1773	127	33	.	.	PUNCT
fcis-1773	128	1	journal	journal	PROPN
fcis-1773	128	2	of	of	ADP
fcis-1773	128	3	business	business	NOUN
fcis-1773	128	4	logistics	logistic	NOUN
fcis-1773	128	5	,	,	PUNCT
fcis-1773	128	6	2019	2019	NUM
fcis-1773	128	7	,	,	PUNCT
fcis-1773	128	8	40(3	40(3	NUM
fcis-1773	128	9	):	):	PUNCT
fcis-1773	128	10	229	229	NUM
fcis-1773	128	11	-	-	SYM
fcis-1773	128	12	240	240	NUM
fcis-1773	128	13	.	.	PUNCT
fcis-1773	129	1	[	[	X
fcis-1773	129	2	5	5	X
fcis-1773	129	3	]	]	X
fcis-1773	129	4	urquhart	urquhart	PROPN
fcis-1773	129	5	a.	a.	PROPN
fcis-1773	129	6	the	the	DET
fcis-1773	129	7	inefficiency	inefficiency	NOUN
fcis-1773	129	8	of	of	ADP
fcis-1773	129	9	bitcoin[j	bitcoin[j	PROPN
fcis-1773	129	10	]	]	PUNCT
fcis-1773	129	11	.	.	PUNCT
fcis-1773	130	1	economics	economic	NOUN
fcis-1773	130	2	letters	letter	NOUN
fcis-1773	130	3	,	,	PUNCT
fcis-1773	130	4	2016	2016	NUM
fcis-1773	130	5	,	,	PUNCT
fcis-1773	130	6	148	148	NUM
fcis-1773	130	7	:	:	SYM
fcis-1773	130	8	80	80	NUM
fcis-1773	130	9	-	-	SYM
fcis-1773	130	10	82	82	NUM
fcis-1773	130	11	.	.	PUNCT
fcis-1773	131	1	[	[	X
fcis-1773	131	2	6	6	NUM
fcis-1773	131	3	]	]	PUNCT
fcis-1773	131	4	nofer	nofer	NOUN
fcis-1773	131	5	m	m	PROPN
fcis-1773	131	6	,	,	PUNCT
fcis-1773	131	7	gomber	gomber	PROPN
fcis-1773	131	8	p	p	PROPN
fcis-1773	131	9	,	,	PUNCT
fcis-1773	131	10	hinz	hinz	PROPN
fcis-1773	131	11	o	o	NOUN
fcis-1773	131	12	,	,	PUNCT
fcis-1773	131	13	et	et	PROPN
fcis-1773	131	14	al	al	PROPN
fcis-1773	131	15	.	.	PROPN
fcis-1773	131	16	blockchain[j	blockchain[j	PROPN
fcis-1773	131	17	]	]	PUNCT
fcis-1773	131	18	.	.	PUNCT
fcis-1773	132	1	business	business	PROPN
fcis-1773	132	2	&	&	CCONJ
fcis-1773	132	3	information	information	PROPN
fcis-1773	132	4	systems	system	NOUN
fcis-1773	132	5	engineering	engineering	NOUN
fcis-1773	132	6	,	,	PUNCT
fcis-1773	132	7	2017	2017	NUM
fcis-1773	132	8	,	,	PUNCT
fcis-1773	132	9	59(3	59(3	NUM
fcis-1773	132	10	):	):	PUNCT
fcis-1773	132	11	183	183	NUM
fcis-1773	132	12	-	-	SYM
fcis-1773	132	13	187	187	NUM
fcis-1773	132	14	.	.	PUNCT
fcis-1773	133	1	[	[	X
fcis-1773	133	2	7	7	X
fcis-1773	133	3	]	]	AUX
fcis-1773	133	4	gervais	gervais	VERB
fcis-1773	133	5	a	a	PRON
fcis-1773	133	6	,	,	PUNCT
fcis-1773	133	7	karame	karame	PROPN
fcis-1773	133	8	g	g	PROPN
fcis-1773	133	9	o	o	PROPN
fcis-1773	133	10	,	,	PUNCT
fcis-1773	133	11	wüst	wüst	PROPN
fcis-1773	133	12	k	k	PROPN
fcis-1773	133	13	,	,	PUNCT
fcis-1773	133	14	et	et	PROPN
fcis-1773	133	15	al	al	PROPN
fcis-1773	133	16	.	.	PROPN
fcis-1773	134	1	on	on	ADP
fcis-1773	134	2	the	the	DET
fcis-1773	134	3	security	security	NOUN
fcis-1773	134	4	and	and	CCONJ
fcis-1773	134	5	performance	performance	NOUN
fcis-1773	134	6	of	of	ADP
fcis-1773	134	7	proof	proof	NOUN
fcis-1773	134	8	of	of	ADP
fcis-1773	134	9	work	work	NOUN
fcis-1773	134	10	blockchains[c]//proceedings	blockchains[c]//proceeding	NOUN
fcis-1773	134	11	of	of	ADP
fcis-1773	134	12	the	the	DET
fcis-1773	134	13	2016	2016	NUM
fcis-1773	134	14	acm	acm	PROPN
fcis-1773	134	15	sigsac	sigsac	NOUN
fcis-1773	134	16	conference	conference	NOUN
fcis-1773	134	17	on	on	ADP
fcis-1773	134	18	computer	computer	NOUN
fcis-1773	134	19	and	and	CCONJ
fcis-1773	134	20	communications	communication	NOUN
fcis-1773	134	21	security	security	NOUN
fcis-1773	134	22	.	.	PUNCT
fcis-1773	135	1	2016	2016	NUM
fcis-1773	135	2	:	:	PUNCT
fcis-1773	135	3	3	3	NUM
fcis-1773	135	4	-	-	SYM
fcis-1773	135	5	16	16	NUM
fcis-1773	135	6	.	.	PUNCT
fcis-1773	136	1	[	[	X
fcis-1773	136	2	8	8	X
fcis-1773	136	3	]	]	X
fcis-1773	136	4	king	king	NOUN
fcis-1773	136	5	s	s	PROPN
fcis-1773	136	6	,	,	PUNCT
fcis-1773	136	7	nadal	nadal	PROPN
fcis-1773	136	8	s.	s.	PROPN
fcis-1773	136	9	ppcoin	ppcoin	PROPN
fcis-1773	136	10	:	:	PUNCT
fcis-1773	136	11	peer	peer	NOUN
fcis-1773	136	12	-	-	PUNCT
fcis-1773	136	13	to	to	ADP
fcis-1773	136	14	-	-	PUNCT
fcis-1773	136	15	peer	peer	NOUN
fcis-1773	136	16	crypto	crypto	NOUN
fcis-1773	136	17	-	-	NOUN
fcis-1773	136	18	currency	currency	NOUN
fcis-1773	136	19	with	with	ADP
fcis-1773	136	20	proof	proof	NOUN
fcis-1773	136	21	-	-	PUNCT
fcis-1773	136	22	of	of	ADP
fcis-1773	136	23	-	-	PUNCT
fcis-1773	136	24	stake[j	stake[j	NOUN
fcis-1773	136	25	]	]	PUNCT
fcis-1773	136	26	.	.	PUNCT
fcis-1773	137	1	self	self	NOUN
fcis-1773	137	2	-	-	PUNCT
fcis-1773	137	3	published	publish	VERB
fcis-1773	137	4	paper	paper	NOUN
fcis-1773	137	5	,	,	PUNCT
fcis-1773	137	6	august	august	PROPN
fcis-1773	137	7	,	,	PUNCT
fcis-1773	137	8	2012	2012	NUM
fcis-1773	137	9	,	,	PUNCT
fcis-1773	137	10	19(1	19(1	NUM
fcis-1773	137	11	)	)	PUNCT
fcis-1773	137	12	.	.	PUNCT
fcis-1773	138	1	[	[	X
fcis-1773	138	2	9	9	NUM
fcis-1773	138	3	]	]	PUNCT
fcis-1773	138	4	xu	xu	NOUN
fcis-1773	138	5	g	g	PROPN
fcis-1773	138	6	,	,	PUNCT
fcis-1773	138	7	liu	liu	PROPN
fcis-1773	138	8	y	y	PROPN
fcis-1773	138	9	,	,	PUNCT
fcis-1773	138	10	khan	khan	PROPN
fcis-1773	138	11	p	p	PROPN
fcis-1773	138	12	w.	w.	PROPN
fcis-1773	138	13	improvement	improvement	NOUN
fcis-1773	138	14	of	of	ADP
fcis-1773	138	15	the	the	DET
fcis-1773	138	16	dpos	dpos	NOUN
fcis-1773	138	17	consensus	consensus	NOUN
fcis-1773	138	18	mechanism	mechanism	NOUN
fcis-1773	138	19	in	in	ADP
fcis-1773	138	20	blockchain	blockchain	PROPN
fcis-1773	138	21	based	base	VERB
fcis-1773	138	22	on	on	ADP
fcis-1773	138	23	vague	vague	ADJ
fcis-1773	138	24	sets[j	sets[j	PROPN
fcis-1773	138	25	]	]	PUNCT
fcis-1773	138	26	.	.	PUNCT
fcis-1773	139	1	ieee	ieee	NOUN
fcis-1773	139	2	transactions	transaction	NOUN
fcis-1773	139	3	on	on	ADP
fcis-1773	139	4	industrial	industrial	ADJ
fcis-1773	139	5	informatics	informatic	NOUN
fcis-1773	139	6	,	,	PUNCT
fcis-1773	139	7	2019	2019	NUM
fcis-1773	139	8	,	,	PUNCT
fcis-1773	139	9	16(6	16(6	NUM
fcis-1773	139	10	):	):	PUNCT
fcis-1773	139	11	4252	4252	NUM
fcis-1773	139	12	-	-	SYM
fcis-1773	139	13	4259	4259	NUM
fcis-1773	139	14	.	.	PUNCT
fcis-1773	140	1	[	[	X
fcis-1773	140	2	10	10	NUM
fcis-1773	140	3	]	]	X
fcis-1773	140	4	castro	castro	PROPN
fcis-1773	140	5	m	m	PROPN
fcis-1773	140	6	,	,	PUNCT
fcis-1773	140	7	liskov	liskov	PROPN
fcis-1773	140	8	b.	b.	PROPN
fcis-1773	140	9	practical	practical	ADJ
fcis-1773	140	10	byzantine	byzantine	ADJ
fcis-1773	140	11	fault	fault	NOUN
fcis-1773	140	12	tolerance[c]//osdi	tolerance[c]//osdi	NOUN
fcis-1773	140	13	.	.	PUNCT
fcis-1773	140	14	1999	1999	NUM
fcis-1773	140	15	,	,	PUNCT
fcis-1773	140	16	99(1999	99(1999	NUM
fcis-1773	140	17	):	):	PUNCT
fcis-1773	140	18	173	173	NUM
fcis-1773	140	19	-	-	SYM
fcis-1773	140	20	186	186	NUM
fcis-1773	140	21	.	.	PUNCT
fcis-1773	141	1	[	[	X
fcis-1773	141	2	11	11	NUM
fcis-1773	141	3	]	]	X
fcis-1773	141	4	zheng	zheng	PROPN
fcis-1773	141	5	z	z	PROPN
fcis-1773	141	6	,	,	PUNCT
fcis-1773	141	7	xie	xie	PROPN
fcis-1773	141	8	s	s	PROPN
fcis-1773	141	9	,	,	PUNCT
fcis-1773	141	10	dai	dai	PROPN
fcis-1773	141	11	h	h	PROPN
fcis-1773	141	12	n	n	CCONJ
fcis-1773	141	13	,	,	PUNCT
fcis-1773	141	14	et	et	PROPN
fcis-1773	141	15	al	al	PROPN
fcis-1773	141	16	.	.	PUNCT
fcis-1773	142	1	an	an	DET
fcis-1773	142	2	overview	overview	NOUN
fcis-1773	142	3	on	on	ADP
fcis-1773	142	4	smart	smart	ADJ
fcis-1773	142	5	contracts	contract	NOUN
fcis-1773	142	6	:	:	PUNCT
fcis-1773	142	7	challenges	challenge	NOUN
fcis-1773	142	8	,	,	PUNCT
fcis-1773	142	9	advances	advance	NOUN
fcis-1773	142	10	and	and	CCONJ
fcis-1773	142	11	platforms[j	platforms[j	NOUN
fcis-1773	142	12	]	]	PUNCT
fcis-1773	142	13	.	.	PUNCT
fcis-1773	143	1	future	future	ADJ
fcis-1773	143	2	generation	generation	NOUN
fcis-1773	143	3	computer	computer	NOUN
fcis-1773	143	4	systems	system	NOUN
fcis-1773	143	5	,	,	PUNCT
fcis-1773	143	6	2020	2020	NUM
fcis-1773	143	7	,	,	PUNCT
fcis-1773	143	8	105	105	NUM
fcis-1773	143	9	:	:	SYM
fcis-1773	143	10	475	475	NUM
fcis-1773	143	11	-	-	SYM
fcis-1773	143	12	491	491	NUM
fcis-1773	143	13	.	.	PUNCT
fcis-1773	144	1	[	[	X
fcis-1773	144	2	12	12	NUM
fcis-1773	144	3	]	]	PUNCT
fcis-1773	144	4	penard	penard	PROPN
fcis-1773	144	5	w	w	PROPN
fcis-1773	144	6	,	,	PUNCT
fcis-1773	144	7	van	van	PROPN
fcis-1773	144	8	werkhoven	werkhoven	NOUN
fcis-1773	144	9	t.	t.	PROPN
fcis-1773	144	10	on	on	ADP
fcis-1773	144	11	the	the	DET
fcis-1773	144	12	secure	secure	ADJ
fcis-1773	144	13	hash	hash	NOUN
fcis-1773	144	14	algorithm	algorithm	NOUN
fcis-1773	144	15	family[j	family[j	NOUN
fcis-1773	144	16	]	]	X
fcis-1773	144	17	.	.	PUNCT
fcis-1773	145	1	cryptography	cryptography	NOUN
fcis-1773	145	2	in	in	ADP
fcis-1773	145	3	context	context	NOUN
fcis-1773	145	4	,	,	PUNCT
fcis-1773	145	5	2008	2008	NUM
fcis-1773	145	6	:	:	PUNCT
fcis-1773	145	7	1	1	NUM
fcis-1773	145	8	-	-	SYM
fcis-1773	145	9	18	18	NUM
fcis-1773	145	10	.	.	PUNCT