How does Bitcoin mining work? - BBC Newsnight [_wSCTWupA28]

David Grossman enters a cryptocurrency maze to find out how powerful computers mine digital currencies such as Bitcoin. Newsnight is the BBC's flagship news and current affairs TV programme - with analysis, debate, exclusives, and robust interviews. Website: www.bbc.co.uk/newsnight YouTube: Twitter: Facebook: Snapchat: #who holds most bitcoins #crypto investieren #bitcoin svg #crypto arbitrage bot