最新报道:A U.S. citizen pleaded guilty to operating a $250 million cryptocurrency Ponzi scheme that defrauded over 10,000 investors. The scheme, which ran from 2017 to 2019, promised high returns from crypto mining and trading but instead used new investor funds to pay earlier participants. The defendant faces up to 20 years in prison and must forfeit assets worth $250 million. The case highlights ongoing regulatory efforts to crack down on fraudulent crypto investment schemes.