[A U.S. man who operated the Bitcoin mixer Helix and laundered more than $300 million in BTC was sentenced to more than three years in prison] Golden Finance reported that according to Bloomberg, Larry Harmon, a man from Ohio, was sentenced to more than three years in prison for assisting criminals in laundering more than $300 million in Bitcoin drug funds. Harmon once operated the Bitcoin mixer Helix on the dark web, helping hundreds of drug dealers evade tracking. Despite the seriousness of his behavior, the judge gave Harmon leniency for assisting the United States in prosecuting other cryptocurrency cases. Harmon was ordered to confiscate $311 million and was fined $60 million by the U.S. Treasury Department.