The indictment also mentions that KuCoin was indirectly involved in the criminal prosecution of two developers of Tornado Cash, Alexey Pertsev and Roman Storm, and received a total of over 3.2 million US dollars worth of cryptocurrencies from Tornado Cash. (Dutch authorities prosecute Tornado Cash developers for laundering over 1.2 billion US dollars: members profited from it)
US Department of Justice and CFTC Sue Kucoin and Founder, Reiterate Ethereum as a Commodity