The U.S. Office of Foreign Assets Control added 134 crypto wallet identifiers to the sanctions listing for ISIL Khorasan, also known as ISIS-K, in a July 1 update that put TRON and Monero addresses into the U.S. sanctions perimeter.
The update added 131 TRON addresses and three Monero addresses to the ISIS-K designation. OFAC’s listing identifies ISIS-K as a foreign terrorist organization and specially designated global terrorist group operating across Afghanistan and Pakistan, with secondary sanctions risk attached under Executive Order 13224.
Tether froze the balances on all 131 TRON addresses after the update. The freeze affects USDT balances on TRON, where issuer-level controls can stop sanctioned wallets from moving the stablecoin even if the blockchain address itself still exists.
The Monero addresses sit in a different enforcement category. XMR does not have the same issuer-controlled freeze function as USDT, so the sanctions impact depends more heavily on exchange screening, wallet monitoring, compliance alerts and restrictions by regulated service providers.
TRON Wallets Received More Than $1.4M Since 2023
The 131 TRON wallets received more than $1.4 million since 2023 and sent more than $880,000. The wallets also had exposure to mainstream services, while several designated addresses sent funds to Syria-based crypto exchangers.
The broader 134-address set has moved more than $2 million, with ISIS-K relying heavily on USDT while also soliciting Monero donations through its media network since late 2023. TRM also tied the latest action to a longer history of ISIS-K crypto fundraising and earlier OFAC designations involving the group’s media and financing operations.
The wallet update shows how stablecoins remain central to terrorism-financing enforcement. USDT’s liquidity makes it useful for cross-border transfer activity, but the same issuer controls allow balances to be frozen when addresses are identified through sanctions or law-enforcement processes.
CryptoAdventure recently tracked how crypto seizures and freezes have become a larger enforcement layer, with public ledgers, stablecoin blacklists and exchange screening making more illicit balances visible to investigators.
Stablecoin Controls Stay Central To Sanctions Enforcement
The ISIS-K update adds another case where stablecoin controls are being used as a direct sanctions tool. Tether’s freeze prevents movement of USDT sitting in the designated TRON wallets, while exchanges and other virtual asset service providers must screen the addresses against updated sanctions lists.
The timing also lands during a wider debate over Tether’s regulatory position. Paolo Ardoino recently defended the company’s decision to keep USDT outside Europe’s MiCA framework, arguing that EU reserve rules could expose large stablecoin issuers to bank-deposit and redemption risks. That stance has kept USDT outside the EU licensing route, while enforcement actions continue to show the issuer’s central role in freezing sanctioned funds.
The same sanctions pressure is spreading across crypto compliance. Australia’s Travel Rule regime now requires more sender, recipient and wallet information around virtual asset transfers, while U.S. sanctions updates continue pushing exchanges, custodians and analytics firms to update screening systems quickly after new wallet identifiers appear.
OFAC’s July 1 update lists three Monero addresses and 131 TRON addresses under ISIS-K, while Tether has frozen USDT balances in all 131 designated TRON wallets.
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