id	keyword
american_scientific_journal-5954	anonymity
american_scientific_journal-5954	method
american_scientific_journal-5954	block
american_scientific_journal-5954	blockchain
american_scientific_journal-5954	transactions
american_scientific_journal-5954	vanet
american_scientific_journal-5954	privacy
american_scientific_journal-5954	data
american_scientific_journal-5954	delay
american_scientific_journal-5954	network
american_scientific_journal-5954	end
american_scientific_journal-5954	key
american_scientific_journal-5954	engineering
american_scientific_journal-5954	technology
american_scientific_journal-5954	graph