Tether has frozen more than $344 million in USDT on the Tron network, marking one of its largest enforcement actions to date. The move follows coordination with the Office of Foreign Assets Control and U.S. law enforcement. Blockchain data had already pointed to the blacklist before any official confirmation. New details now show the scale and context behind the decision.

PeckShield Flags Suspicious Wallets as Tether Moves to Freeze $344M USDT

Two Tron wallet addresses were affected, holding roughly $213 million and $131 million in USDT. Blockchain security firm PeckShield first flagged the addresses on April 23 after they appeared on a blacklist. At that time, neither Tether nor Tron publicly explained the action.

#PeckShieldAlert 2 addresses holding $344M $USDT have just been blacklisted by @tether on the #TRON network
TNiq9AXBp9EjUqhDhrwrfvAA8U3GUQZH81
TTiDLWE6fZK8okMJv6ijg42yrH6W2pjSr9

— PeckShieldAlert (@PeckShieldAlert) April 23, 2026

Tether later confirmed the freeze, linking it to information shared by authorities tied to unlawful activity. The company cited possible connections to sanctions evasion, criminal networks, or related offenses. CEO Paolo Ardoino stated that USDT is not intended for illicit use and said the firm acts quickly when credible risks emerge.

Authorities have not disclosed the exact investigation behind the wallets or when they were first identified. Still, the scale of the freeze places it among the largest single actions taken by Tether.

Compliance Drive Accelerates With Multi-Billion Dollar Asset Freezes

Recent actions show a clear shift toward stricter enforcement. Since late 2023, Tether has increased cooperation with global law enforcement agencies. The company reports working with more than 340 agencies across 65 countries and supporting over 2,300 cases.

Cumulative figures show more than $4.4 billion in assets frozen, including over $2.1 billion linked to U.S. authorities. Earlier cases include a $225 million freeze tied to a Southeast Asia trafficking investigation in November 2023. Another action in January saw about $182 million frozen across multiple Tron wallets.

Growing enforcement activity signals tighter oversight within stablecoin markets. Tether’s latest move reinforces its position as an active participant in tracking and restricting illicit financial flows.

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