Geoffrey S. Berman, the United States Attorney for the Southern District of New York, John C. Demers, the Assistant Attorney General for National Security, John Brown, Assistant Director of the Federal Bureau of Investigation Counterintelligence Division, and William F. Sweeney Jr., the Assistant Director-in-Charge of the New York Field Office of the FBI, announced today the unsealing of a criminal complaint charging VIRGIL GRIFFITH, a United States citizen who works for Ethereum, with violating the International Emergency Economic Powers Act by traveling to the Democratic People's Republic of Korea (DPRK or North Korea) in order deliver a presentation and technical advice on using cryptocurrency and blockchain technology to evade sanctions . From a press release: