Tether, the world’s leading stablecoin issuer, has taken decisive action against illicit finance by freezing over $344 million in USDT on the Tron blockchain. The move comes days after Circle’s decision not to take similar action sparked debate across the industry, and amid a rise in crypto-related exploits. Tether backs major USDT freeze on Tron On Thursday, Tether said it worked with law enforcement agencies to freeze $344 million in USDT across two Tron addresses. One wallet held approximately $212.9 million, while the other contained $131.3 million. The action followed alerts from US authorities, with the addresses allegedly linked to sanctions evasion and criminal networks. The move marks one of the largest enforcement actions in Tether’s history and was coordinated with the Office of Foreign Assets Control and multiple law enforcement bodies. Chief Executive Officer Paolo Ardoino emphasized the company’s stance, stating, “USDT is not a safe haven for illicit activity. When credible links to sanctioned entities or criminal networks are identified, we act immediately and decisively.” Ardoino added that Tether maintains a zero-tolerance policy aligned with OFAC’s Specially Designated Nationals list. The company said it now collaborates with more than 340 law enforcement agencies across 65 countries. It has supported over 2,300 investigations into illicit activity and helped freeze more than $4.4 billion in assets to date, including over $2.1 billion tied to US-led probes. Tron remains one of the most widely used networks for USDT, and the latest action underscores increased real-time monitoring amid ongoing scrutiny over illicit flows. Circle’s USDC decision sparks debate A recent exploit involving Drift Protocol intensified scrutiny on stablecoin issuers after Circle Internet Group declined to freeze stolen funds. The platform suffered a $285 million exploit on Solana in early April 2026. Despite the funds moving through Circle’s Cross-Chain Transfer Protocol (CCTP) during US business hours, the company cited the absence of formal law enforcement requests or OFAC designations as the reason for not freezing more than $230 million. The decision drew criticism from parts of the crypto community, with on-chain investigator ZachXBT pointing to previous instances where Circle had frozen funds, raising questions about consistency in enforcement. In contrast, Tether intervened in the Drift case, leading a $150 million recovery plan and committing $127.5 million toward it. Drift said the funds would support a platform relaunch and confirmed a shift to USDT as its primary settlement asset on Solana. Stablecoin adoption grows despite risks Stablecoins such as USDT and USDC continue to see rising adoption, underpinning trillions of dollars in decentralized finance (DeFi) activity and global remittances. At the same time, crypto exploits have grown more sophisticated over the past year, highlighting vulnerabilities within the ecosystem. However, enforcement actions like Tether’s are seen as strengthening trust, as blockchain transparency enables traceable interventions that are not possible with traditional fiat systems. As incidents like the Drift exploit expose ongoing risks, the industry appears to be leaning further into compliance and monitoring tools to safeguard users and maintain confidence. The post Tether freezes $344M USDT linked to illicit activity on Tron appeared first on Invezz
