Tether Freezes $344 Million in USDT Stablecoins Flagged for Illicit Activity

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In brief - Tether froze $344 million in USDT across two Tron blockchain addresses after U.S. authorities flagged them. - The freeze was coordinated with the Office of Foreign Assets Control and law enforcement agencies. - One wallet contained approximately $213 million, the other roughly $131 million in frozen tokens. Tether froze more than $344 million in USDT across two Tron addresses Thursday in coordination with U.S. authorities, marking one of the stablecoin issuer's largest compliance actions on record. While Tether did not name the network of the frozen funds, blockchain security firm PeckShield identified the blacklisted addresses as TNiq9...QZH81 and TTiDL...pjSr9, holding approximately $213 million and $131 million respectively. Decrypt asked Tether if it can confirm the addresses identified on Tron, but did not immediately receive a response. The freeze action followed information allegedly linked to sanctions evasion, criminal networks, or other illicit activity, per Tether’s statement. The stablecoin issuer’s compliance team worked with the Office of Foreign Assets Control and other U.S. law enforcement agencies to implement the USDT wallet restrictions. “USDT is not a safe haven for illicit activity,” said Tether CEO Paolo Ardoino, in a statement. “When credible links to sanctioned entities or criminal networks are identified, we act immediately and decisively. Recent events have shown what happens when platforms fail to move quickly, enforcement breaks down, users are exposed, and trust erodes.” #PeckShieldAlert 2 addresses holding $344M $USDT have just been blacklisted by @tether on the #TRON network TNiq9AXBp9EjUqhDhrwrfvAA8U3GUQZH81 TTiDLWE6fZK8okMJv6ijg42yrH6W2pjSr9— PeckShieldAlert (@PeckShieldAlert) April 23, 2026 “Our approach is different,” he continued. “We combine blockchain transparency with real-time monitoring and direct coordination with law enforcement to stop funds before they can move. That’s a responsibility we take seriously as one of the largest issuers in the market.” The freeze underscores Tether's expanding compliance infrastructure, which now encompasses partnerships with more than 340 law enforcement agencies across 65 countries. The stablecoin issuer said it has supported over 2,300 cases globally and frozen more than $4.4 billion in assets overall—including $2.1 billion tied specifically to U.S. authorities. Thursday's action follows a pattern of large-scale Tether freezes coordinated with U.S. authorities. In November 2023, the company froze about $225 million in USDT linked to a Southeast Asia human-trafficking and pig butchering scam investigation. In January 2026, Tether froze roughly $182 million across five Tron wallets in another action. These freezes typically involve the Office of Foreign Assets Control, the U.S. Treasury Department agency that administers and enforces economic and trade sanctions. The increasing frequency and scale of such actions reflect both the growing use of stablecoins in illicit finance and Tether's efforts to maintain regulatory compliance. Tether’s latest action follows a pair of high-profile crypto project hacks that have been linked by investigators to North Korean hackers: the $285 million Drift Protocol attack, and $292 million Kelp DAO exploit. USDC stablecoin issuer Circle faced criticism following the Drift Protocol hack for not taking action to freeze funds linked to the attack. The firm defended its inaction, saying that it can only freeze funds when identified by law enforcement or required through court orders. "When Circle freezes USDC, it is not because we have decided, unilaterally or arbitrarily, that someone's assets should be taken from them. It is because the law requires us to act,” said Circle Chief Strategy Officer Dante Disparte, in a blog post. A class action lawsuit has since been filed against Circle in relation to the Drift Protocol funds. Drift said last week that it would dump USDC in favor of USDT, as part of a Tether-backed recovery plan that will provide $148 million in funding to help make users whole.

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