[Tether Sued for Illegally Freezing $44.7 Million USDT, Leading to Investment Losses] October 17 news: Texas-based Riverstone Consulting has filed a lawsuit against Tether, accusing it of illegally freezing $44.7 million USDT at the request of Bulgarian police, resulting in lost investment opportunities. The lawsuit claims that Tether did not follow the formal procedures outlined in international judicial assistance treaties and froze assets solely based on local police requests. Currently, Tether has cooperated with global law enforcement agencies to freeze $3.2 billion USDT, with stablecoin circulation exceeding $180 billion.