id	domain	url
fbem-9285	www.sci	https://doi.org/10.1016/j.elerap.2021.101108.(https://www.sci
fbem-9285	bitcoin.org	https://bitcoin.org/bitcoin.pdf,2018-06-11
fbem-9285	doi.org	https://doi.org/10.16381/j.cnki.issn1003-207x.2020.1076(in
fbem-9285	doi.org	https://doi.org/10.16381/j.cnki.issn1003207x.2020.1755(in
fbem-9285	doi.org	https://doi.org/10.1016/j.jclepro.2020:120883