@book{396041,
	author = {Portugal, BANCO DE Portugal. Working Group on Crypto-Assets},
	title = {Occasional paper on crypto-assets},
	publisher = {Economics and Research Department},
	year = {2020},
	series = {Occasional Papers},
	address = {Lisboa},
	note = {Ficheiro de 1,45 MB em formato PDF (26 p.).}
}