Blockchain News Darknet crypto mixer operator pleads guilty to laundering $300M in BTC August 19, 2021 The operator of the darknet-based Bitcoin mixing service Helix has pleaded guilty to laundering more than $300,000 million worth of BTC from 2014 to 2017. About The Author coinmaker See author's posts Post navigation Previous: ‘Coins’ doco series featuring some of the biggest names in crypto premieres todayNext: BREAKING: Liquid exchange hacked to the tune of $80 million More Stories Blockchain News US accounting board FASB proposes conditions for stablecoins as cash equivalents August 19, 2026 Blockchain News Toyota Finance opens tokenized bonds to retail investors via mobile payment app August 18, 2026 Blockchain News South Korea’s Jeonbuk Bank taps Ripple for cross-border payments August 18, 2026