On Thursday, Tether, the company behind the world's largest stablecoin, announced that it had frozen $344 million worth of USDT tokens in two wallets on the Tron blockchain, in response to requests from US authorities. The freeze was implemented after the addresses were flagged for suspected links to illicit activities, effectively preventing any further movement of the funds. The company did not disclose the nature of the activities or the identities of those controlling the wallets. However, according to AMLbot, a blockchain analytics firm, the addresses appeared in documents and posts related to scams.
This move comes amidst renewed debate about the role of stablecoin issuers in preventing the transfer of funds linked to illegal activities. The Financial Action Task Force has recently warned that stablecoins are increasingly being used for illicit transactions, including the evasion of sanctions and money laundering. The transparency of public blockchains allows transactions to be traced, while issuers have the ability to freeze assets under specific conditions. This issue has been highlighted by the recent $285 million exploit of Drift Protocol, in which attackers transferred hundreds of millions of USDC stablecoins and bridged funds across chains.
Critics argued that Circle, the issuer of USDC, could have acted faster to freeze assets and limit losses, while the company maintained that it only takes such actions when legally required or at the request of law enforcement and authorities. Tether stated that it collaborates with law enforcement when wallets are linked to sanctions evasion or criminal networks, and has supported over 2,300 cases globally across 340 agencies in 65 countries. The company is also expanding its presence in the US market with the launch of the USAT token, which complies with federal stablecoin regulations, in partnership with Anchorage Digital, a federally regulated crypto bank, led by former White House crypto advisor Bo Hines. Furthermore, Tether is preparing for a full audit of its reserves for the first time, a long-promised step towards improving transparency and aligning with tighter regulatory expectations for stablecoins.