Correction at 1400 KST: A previous version of this article stated that Virgil Griffith had been released on bail last month, when it fact he was released this Thursday.

A U.S. grand jury this week formally indicted an American blockchain researcher for a controversial April 2019 lecture at a cryptocurrency conference in North Korea, court papers revealed Thursday.

The 36-year-old Virgil Griffith stands accused of conspiracy to violate the U.S.’s International Emergency Economic Powers Act (IEEPA), as well as illegally providing services to the government of the DPRK and violating U.S. sanctions against