Larry Harmon, the founder of the cryptocurrency mixer Helix, has been sentenced to three years in prison for helping criminals launder money. U.S. District Court Judge Beryl Howell stated that the sentence was lenient given his assistance in the Bitcoin Fog mixer case. Larry Harmon operated the dark web Helix cryptocurrency mixer from 2014 to 2017, during which he laundered over 350 trillion BTC. Helix collaborated with the Grams dark web search engine, which Larry Harmon also operated.