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: https://www.youtube.com/user/BBCNewsnight Twitter: https://twitter.com/BBCNewsnight Facebook: https://www.facebook.com/bbcnewsnight Snapchat: https://www.snapchat.com/add/bbcnewsnight [...]