On Thursday, Tether, the company behind the world's largest stablecoin, announced that it has frozen approximately $344 million worth of USDT tokens residing in two wallets on the Tron blockchain. This move was made in response to requests from US authorities, who had flagged these addresses due to their alleged involvement in illicit activities. As a result, further movement of these funds has been prevented. The nature of the activities and the controllers of the wallets were not disclosed by the company.

However, according to AMLbot, a blockchain analytics firm, these addresses have been linked to scam-related documents and posts. This development comes at a time when the role of stablecoin issuers in halting funds tied to illegal money transfers is under scrutiny. Recently, the Financial Action Task Force cautioned that stablecoins are increasingly being utilized for illicit transactions, including evasion of sanctions and money laundering. Public blockchains allow for the tracing of transactions, while issuers have the capability to freeze assets under specific conditions.

This issue gained attention earlier this month following the $285 million exploit of Drift Protocol, where attackers transferred hundreds of millions of USDC stablecoin and bridged funds across chains. Critics argued that Circle, the issuer of USDC, could have acted more swiftly to freeze assets and mitigate losses. In response, the company stated that it only takes such actions when legally required or at the request of law enforcement and authorities. Tether has stated that it collaborates with law enforcement when wallets are linked to sanctions evasion or criminal networks, having supported over 2,300 cases globally across 340 agencies in 65 countries.

Additionally, the company is expanding its presence in the US market with the launch of the USAT token, which complies with federal stablecoin regulation and was issued in partnership with Anchorage Digital, a federally regulated crypto bank, under the leadership of former White House crypto advisor Bo Hines. Tether is also preparing for its first full audit of reserves, a long-promised step aimed at enhancing transparency and aligning more closely with regulatory expectations regarding stablecoins.