Tether has blacklisted two addresses on the TRON network, collectively holding $344 million in USDT. The addresses, TNiq9AXBp9EjUqhDhrwrfvAA8U3GUQZH81 and TTiDLWE6fZK8okMJv6ijg42yrH6W2pjSr9, were flagged by PeckShieldAlert. The reasons for the blacklisting have not been disclosed, but such actions typically occur in response to regulatory compliance issues or suspicious activities.