Ohio man behind Helix cryptocurrency mixer gets 3-year sentence

Recorded Future reports that Larry Dean Harmon, operator of the Helix bitcoin mixer, was sentenced to three years in prison and ordered to forfeit hundreds of millions after admitting to running a service that laundered roughly $311 million in bitcoin and facilitated darknet market transactions; the article details Helix's links to multiple darknet markets, related enforcement actions (including a $60M FinCEN penalty), and the broader law-enforcement campaign against crypto-mixing services.