firebrand rhetoric and provocative actions that have increased tensions with neighboring states, the secretive nation has surprisingly found itself at the center of a cryptocurrency revolution, largely out of necessity. . Pyongyang has been accused of several devious cyber activities - last year the US accused the country of being behind the WannaCry attack that crippled NHS terminals across the. In November, it was reported that the Pyongyang University of Science and Technology was teaching a specialised cryptocurrency course. One is a connection to Lazarus Group, a shadowy cabal with unconfirmed links to the government that is reportedly behind an attack on Sony Pictures in 2014, and more recently, the swift network breach that cost Bangladesh Bank 81 million.