https://www.vice.com/en_us/article/d3andj/researcher-arrested-for-allegedly-teaching-north-korea-about-ethereum

On Friday, the United States Attorney for the Southern District of New York announced criminal charges against a cryptocurrency researcher for allegedly violating the International Emergency Economic Powers Act by giving a presentation on cryptocurrency in North Korea.

Virgil Griffith, 36, is a special projects researcher at the Ethereum Foundation, which helps to lead the development of Ethereum blockchain technology.