Trung Nguyen, 48, of Danvers, sentenced to six years in prison for operating an unauthorized Bitcoin business.
Nguyen laundered over $1 million for scammers and drug dealers through his company, National Vending.
He omitted FinCEN registration and violated anti-money laundering laws by exchanging cash for Bitcoin for illegal transactions.
The scheme was exposed by an investigation involving Homeland Security Investigations, IRS Criminal Investigation, and the U.S. Postal Inspection Service.