What did the US Treasury do with Iran-linked crypto wallets?

The US Treasury’s Office of Foreign Assets Control (OFAC) sanctioned two blockchain wallets linked to Iran and requested Tether freeze $344 million in USDT. The action is part of a broader effort to disrupt Iran’s financial networks. It shows authorities are actively targeting crypto flows tied to sanctioned entities.

Why did the US target these crypto wallets linked to Iran?

US authorities believe the wallets were used to move funds tied to the Iranian regime and potentially evade sanctions. Treasury officials said they are aiming to “follow the money” and cut off financial lifelines. This aligns with wider geopolitical efforts to pressure Iran economically.

How did Tether help freeze $344 million in USDT?

Tether froze the funds after receiving information from US authorities about suspicious activity linked to the wallets. The company can restrict assets when they are connected to sanctions evasion or illicit activity. This highlights how centralised stablecoins can be controlled despite operating on blockchain networks.

What is “Operation Economic Fury” and how does crypto fit into it?

“Operation Economic Fury” is a US-led strategy to weaken Iran’s ability to fund military and geopolitical activities. Crypto is part of the focus because it can be used to bypass traditional banking restrictions. The wallet sanctions show crypto is now directly in scope for enforcement actions.

Does this mean USDT can be frozen by authorities?

Yes, USDT issued by Tether can be frozen if linked to illicit or sanctioned activity. Tether has the technical ability to block specific wallet addresses. This makes USDT different from fully decentralised cryptocurrencies like Bitcoin, where funds cannot be frozen at the protocol level.

How big is Tether’s role in law enforcement actions?

Tether said it has worked with more than 340 law enforcement agencies across 65 countries. The company has helped freeze over $4.4 billion in assets globally. This shows stablecoin issuers are increasingly acting as enforcement partners.

What does this mean for crypto users and traders?

This case highlights that crypto transactions, especially involving stablecoins, are not beyond government reach. Users interacting with sanctioned entities risk having funds frozen. It reinforces the importance of compliance and transparency in crypto activity.

Why is Iran using crypto in the first place?

Iran has faced heavy international sanctions for years, limiting access to global banking systems. Crypto offers an alternative way to move funds and conduct transactions. However, increasing surveillance and enforcement are making this strategy more difficult.

US sanctions Iran wallets Tether freezes $344M USDT

Written by Brie CarterPublished Apr. 29 2026Last Updated Apr. 29 2026

The United States Treasury has sanctioned two blockchain wallets linked to Iran and coordinated with Tether to freeze $344 million in USDT as part of a broader enforcement action.

Treasury Secretary Scott Bessent said the move aims to disrupt financial networks tied to Tehran and prevent the regime from moving funds through alternative channels.

The action forms part of “Operation Economic Fury,” a wider US strategy targeting Iran’s ability to generate and transfer funds, including through oil trade and shadow shipping networks.

Tether confirmed it executed the freeze after receiving information from US authorities, preventing further movement of funds across the identified wallets.

“USDT is not a safe haven for illicit activity,”

Said Paolo Ardoino.

The company said it has worked with more than 340 law enforcement agencies globally and has frozen over $4.4 billion in assets tied to illicit or sanctioned activity to date.

The case underscores how stablecoin issuers are increasingly working with regulators to monitor and restrict blockchain-based financial flows as enforcement expands into crypto markets.