November 30, 2019 US arrests Ethereum developer for helping North Korea avoid sanctions using blockchain technology.

Virgil Griffith is an developer and researcher at the Ethereum Foundation, and allegedly presented at the Pyongyang Blockchain and Cryptocurrency Conference in April despite being denied permission from the US State Department to attend. According to the complaint, “At the DPRK Cryptocurrency Conference, Griffith and other attendees discussed how blockchain and cryptocurrency technology could be used by the DPRK to launder money and evade sanctions, and how the DPRK could use these technologies to achieve independence from the global banking system.” He has been charged with violating the International Emergency Economic Powers Act, and faces a maximum of 20 years in prison.