@book{78667,
	author = {Arroyo Guardeño, David, and Díaz Vico, Jesús,},
	title = {Blockchain /},
	publisher = {CSIC :},
	year = {[2019]},
	series = {Colección ¿Qué sabemos de? ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/61520/}
}