An Ohio man named Larry Dean Harmon will serve three years in prison and forfeit more than $400 million worth of cryptocurrency and other assets, the Department of Justice announced on Friday. Harmon was indicted in 2020 on money laundering conspiracy charges related to Helix, a darkweb cryptocurrency “mixer” service he ran.
Also known as crypto “tumbling,” services like Helix are designed to hide cryptocurrency transactions — often for illegal drugs — and the identity of people…