Introductory lesson for the Bitcoin and Blockchain Technology course of Milano-Bicocca and Politecnico di Milano
www.ametrano.net/bbt/
2017 Video (in Italian) available at https://www.youtube.com/watch?v=Ef3d1N4Ogxw&list=PLrVvuryXHYTdzvtpzrj4wvYEhCwF6G82b&index=1