
Tether, the issuer of the world’s largest stablecoin USDT, has frozen over $12.3 million worth of digital assets on the Tron Network, marking another step in its ongoing efforts to combat illicit activities in the crypto space. This move highlights Tether’s commitment to enforcing anti-money laundering (AML) policies and aligning with global regulatory standards, particularly those set by the U.S. Treasury’s Office of Foreign Assets Control (OFAC).
Blockchain data from Tronscan confirmed that the freeze occurred at 9:15 am UTC on Sunday, though Tether has not issued a public statement regarding the specific reasons for this action. Analysts speculate that the freeze may be linked to concerns over potential sanctions violations, money laundering, or other illegal activities tied to the flagged addresses.

Tether’s Strict Wallet-Freezing Policy
In a March 7 blog post, Tether reiterated its commitment to combating illicit financial activities, stating:
“Tether enforces a strict wallet-freezing policy to combat money laundering, nuclear proliferation, and terrorist financing and is also aligned with the OFAC Specially Designated Nationals (SDN) List.”
This policy ensures that Tether can take swift action against wallets suspected of engaging in illegal activities, including those associated with sanctions violations or terrorism financing. The recent freeze on the Tron Network is part of Tether’s broader strategy to maintain compliance with global regulatory frameworks while safeguarding the integrity of its stablecoin ecosystem.
Recent Freezes Highlight Ongoing Efforts
The $12.3 million freeze comes just months after Tether froze $27 million in USDT on the Garantex crypto exchange on March 6, 2024. That same day, Garantex halted operations, accusing Tether of targeting the Russian crypto market.
Garantex has been under scrutiny since April 2022 , when it became the first crypto exchange to be sanctioned by the OFAC for allegedly disregarding AML and other regulatory requirements.

Despite the earlier freeze, blockchain analytics firm Global Ledger identified over $15 million in active reserves still tied to Garantex as of June 5, 2024, according to Cointelegraph.
These incidents underscore the challenges faced by stablecoin issuers in policing their networks and ensuring compliance with international regulations.
Lazarus Group: A Persistent Threat
Tether’s freezing mechanisms have proven instrumental in combating high-profile threats like the North Korean state-backed Lazarus Group, one of the most notorious cybercriminal organizations in the crypto space. Between 2020 and 2023, Lazarus laundered over $200 million worth of stolen cryptocurrency, contributing to a total theft exceeding $3 billion over six years.

In November 2023, Tether blacklisted over $374,000 worth of stolen funds linked to Lazarus. Additionally, three out of four major stablecoin issuers collectively blacklisted an additional $3.4 million tied to a cluster of addresses associated with the group, according to researcher ZachXBT.
The persistent threat posed by Lazarus and similar groups underscores the importance of initiatives like the T3 Financial Crimes Unit (FCU), a collaborative effort between Tether, the Tron Network, and TRM Labs. Since its inception, the FCU has successfully frozen $126 million worth of USDT in its first six months.
Decentralization Advocates vs. Regulatory Compliance
While Tether’s ability to freeze assets has drawn criticism from some decentralization advocates who argue it undermines the ethos of blockchain technology, the mechanism has proven effective in preventing hundreds of millions of dollars from being laundered by illicit actors.
By actively collaborating with law enforcement agencies worldwide, Tether aims to strike a balance between maintaining user trust and adhering to regulatory requirements. This approach has positioned Tether as a key player in the fight against financial crimes in the crypto industry.
Why This Matters for the Crypto Space
The freezing of $12.3 million in USDT serves as a reminder of the ongoing battle against illicit activities in the decentralized finance (DeFi) ecosystem. As stablecoins like USDT continue to play a pivotal role in facilitating transactions across blockchains, their issuers face increasing pressure to ensure compliance with global standards.
For Tether, these actions demonstrate a proactive stance in addressing regulatory concerns and protecting users from bad actors. However, the lack of transparency surrounding specific freezes raises questions about accountability and the potential impact on innocent users inadvertently affected by such measures.