@book{52874,
	author = {Valpuesta Gastamiza, Eduardo,},
	title = {Blockchain :},
	publisher = {La Ley,},
	year = {2022.},
	series = {Temas },
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/221590}
}