Odaily News According to Whale Alert monitoring, multiple addresses holding a total of more than 240 million USDT have been frozen since 21:30:11 Beijing time. It is reported that Tether said that after investigations by Tether, OKX and the U.S. Department of Justice, Tether voluntarily frozen 225 million stolen USDT related to international criminal groups. These funds came from Southeast Asian telecommunications fraud groups.