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 Luno cuts 20% of staff as crypto layoffs spread across 12 firms in July July 30, 2026 Blockchain News BNY to bring transfer agency records onchain in blockchain push July 29, 2026 Blockchain News Trade.xyz to cover SK Hynix perp liquidation losses tied to price anomaly July 29, 2026