Digital gold: why hackers love Bitcoin

The WannaCry ransomware attackers demanded payment in the cryptocurrency. But its use in the ‘clean’ economy is growing, too, and could revolutionise how we use moneyIn March 2009, representatives of crime agencies including MI6 and the FBI, as well as Her Majesty’s Revenue and Customs, gathered for a closed session at a conference in a central-London hotel. The topic: the potential use of virtual currencies by organised criminals and terrorists.“At the time, everyone was