US freezes $131M in Iran-linked crypto as tensions rise

As the U.S. freezes 131m iranlinked crypto tied to Tehran's central bank, Treasury Secretary Scott Bessent confirmed Washington ordered more than $130 million in digital assets blocked on Tuesday. Tether froze four Tron wallets holding about $131 million in USDT as Middle East hostilities intensified, signaling continued pursuit of illicit digital-asset flows.

The action lands as Washington expands financial pressure on Tehran while regional fighting escalates. For crypto markets, the freeze underscores how stablecoin issuers and onchain investigators are now central players in sanctions enforcement—not optional compliance add-ons.

Key Takeaways

• Tether froze four Tron wallets holding roughly $131 million in USDT linked to Iran's central bank, according to onchain data cited by blockchain investigator Specter.
• Treasury Secretary Scott Bessent confirmed the action on X and pledged continued pursuit of Iran's illicit crypto revenue.
• The freeze comes amid renewed U.S.–Iran hostilities, including port blockades, military strikes, and reported drone attacks on a U.S. facility in Jordan.
• It follows an April Tether freeze of more than $344 million in USDT and sits within Operation Economic Fury, under which U.S. officials say roughly $1 billion in Iranian crypto has been seized since March 2025.

What did the U.S. freeze and how much was involved?

On Tuesday, blockchain investigator Specter flagged onchain data showing Tether had frozen four Tron wallets containing about $131 million worth of USDt (USDT). U.S. Treasury Secretary Scott Bessent later confirmed on X that the wallets were tied to the Central Bank of Iran.

Bessent said the U.S. government ordered the freezing of more than $130 million in cryptocurrency held in wallets linked to Iran. The slight gap between the $130 million-plus figure and the $131 million wallet total reflects rounding and how Treasury and onchain trackers report linked holdings.

Why is Washington targeting Iran-linked crypto now?

The asset freeze arrives as the ceasefire between the U.S. and Iran collapses and hostilities ramp up across the Middle East. The U.S. said it renewed its blockade of Iranian ports, while U.S. Central Command announced a new wave of strikes on Iran.

Iran's military claimed on Tuesday that it carried out drone strikes against U.S. military facilities at Jordan's Al Azraq Air Base. Against that backdrop, Treasury framed the crypto action as part of a broader push to deny Tehran access to funds moved through digital channels.

"US Treasury is committed to disrupting and degrading Iran's illicit financial activities, including its abuse of digital assets," Bessent said Tuesday. "We will continue to aggressively follow the money and deny the Iranian regime access to the proceeds of its illicit revenue schemes."

How does this fit into the wider sanctions campaign?

Tuesday's freeze is not an isolated event. In April, stablecoin issuer Tether confirmed it froze more than $344 million in USDT at the request of U.S. authorities. U.S. officials have said the country has seized around $1 billion in Iranian crypto assets as part of Operation Economic Fury, a financial pressure campaign that launched in March 2025.

In June, Bessent said Treasury was disrupting foreign procurement networks supporting Iran's military through Economic Fury. "Treasury has frozen the Iranian regime's assets, severely disrupted its economy, and dismantled the Iranian war machine," he said at the time. "Treasury will not tolerate any support of the Iranian military."

What should crypto investors watch next?

Large, public wallet freezes tied to central banks send a clear signal: issuers like Tether are cooperating with U.S. enforcement when sanctioned flows are identified onchain. That can tighten liquidity routes for bad actors while reinforcing compliance expectations for exchanges and analytics firms.

For broader coverage of sanctions-driven moves across digital assets, see our Fintech & Crypto Alerts hub. Primary reporting on the $131 million freeze is available via CoinTelegraph.