According to CoinMeta, within 30 minutes after Binance was attacked by hackers on October 29th, Tether froze over $1.5 billion in USDT. The Federal Bureau of Investigation (FBI) has attributed this attack to North Korea. As of October 31, 2026, Tether has assisted the U.S. Department of Justice, the U.S. Secret Service, and the FBI in freezing over 3,590 wallets, involving approximately 1.6 billion USDT. The total amount of USDT frozen at its secondary market addresses exceeds 7 billion.