After the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) added 134 cryptocurrency wallet addresses to its sanctions list, Tether has frozen USDT in all 131 TRON wallets associated with ISIS-K. This action demonstrates that stablecoin issuers continue to cooperate with sanctions enforcement by restricting sanctioned entities from moving funds through on-chain networks.
Complete the freeze after updating the sanctions list.
This freeze targets wallet addresses identified as associated with ISIS-K. Reports indicate that OFAC has added 134 cryptocurrency addresses to its sanctions list, most of which are on the TRON network. Tether subsequently froze the USDT held in the relevant TRON wallets.
On-chain funds exceed $1.4 million
Blockchain analysis firm Chainalysis stated that the sanctioned TRON addresses have received over $1.4 million since 2023 and have transferred more than $880,000. These figures indicate that the relevant addresses have consistently used the cryptocurrency network for fund transfers over the past period.
- Total received: Over $1.4 million
- Total transferred out: Over $880,000
- Involved wallet: 131 TRON addresses
Stablecoins in conjunction with sanctions enforcement
This action again highlights that stablecoins and public blockchain networks have become critical components in the enforcement of sanctions. As regulators expand their ability to identify and track on-chain addresses, the roles of issuers and on-chain analysis firms in compliance enforcement are growing.


