The Trump administration has frozen $344 million in cryptocurrency it says was linked to Iran because the United States ratchets up stress on Tehran.
The transfer, first reported by NCS, comes as shaky diplomatic efforts to attain a deal to finish the conflict proceed to stall and the worldwide economic system reels from its impression. The administration has sought to improve financial stress on Iran in the course of the tenuous ceasefire. It’s unclear if the big sum of cash seized will have an effect on Tehran or its method to the conflict and negotiations.
Treasury Secretary Scott Bessent said Friday that the company “is sanctioning multiple wallets tied to Iran.”
“We will follow the money that Tehran is desperately attempting to move outside of the country and target all financial lifelines tied to the regime,” he said in a press release.
The Iranian mission to the United Nations declined to remark.
On Thursday, Tether, a digital foreign money firm that facilitates crypto transactions all over the world, introduced it had “supported the US government in freezing” $344 million in cryptocurrency throughout two addresses, after data was shared “by several U.S. authorities about activity tied to unlawful conduct.”
A US official informed NCS that the federal government had data linking the foreign money to Iran.
“Working with blockchain analytics experts, the US government has observed evidence of material links to the Iranian regime, including confirmed transactions with Iranian exchanges and a series of transactions routed through intermediary addresses that interact with Central Bank of Iran-associated wallets,” the official said.
NCS has not independently corroborated that the Tether accounts had been linked to Iran.
“The Central Bank of Iran (CBI) has used increasingly complex methods to obfuscate its involvement in cross-border transactions using digital assets, as they seek to stabilize the rial and facilitate international trade in an increasingly restricted environment,” the US official said Friday.
The Treasury Department “maintains an active dialogue with numerous US and foreign financial institutions, including digital assets exchanges,” the official said.
Heavily sanctioned regimes like Iran, Russia and North Korea have more and more turned to cryptocurrency, which is much less regulated that the normal banking system, to generate income and skirt sanctions.
Cryptocurrency holdings in Iran reached $7.8 billion in 2025, rising at a quicker price for a lot of the yr than in 2024, according to crypto-tracing firm Chainalysis. Iran’s highly effective Islamic Revolutionary Guard Corps accounted for roughly half of these holdings on the blockchain in the final quarter of 2025, “mirroring its dominance in Iran’s economy more broadly,” Chainalysis said.
“When these wallets were regularly active several years ago, they engaged in frequent, large transfers of up to tens of millions of dollars, largely with other private wallets,” Chainalysis said in a press release to NCS on Friday, referring to the Tether accounts the US authorities that had been frozen. “These patterns are consistent with how we’ve observed other known IRGC wallets move funds on chain.”
Daniel Tannebaum, a senior fellow on the Atlantic Council, said that the freeze of the property is “meaningful,” however given how sanctioned Iran is, “I don’t think it necessarily moves the needle for thwarting Iran’s attempts to continue operating in the state of the conflict as it is right now.”
Iran has been sanctioned for many years and has put mechanisms in place to adapt, he said. Some international locations have continued to do enterprise with Iran regardless of the sanctions.
“The way to get at Iran at this point, because Iran is truly sanctioned out, is to go with the third country actors enabling them,” together with China, he informed NCS.
Tannebaum additionally famous that Iran has “been leveraging crypto-related funds for years.”
“They will use it with actors that are trying to stay outside of the US banking system,” said Tannebaum, who can be a companion at Oliver Wyman. Iran is “really trying to use any methods they can to pay for additional armaments, military support that they need at present.”
Last yr, hackers extensively believed to be working in help of or on behalf of Israel stole the equivalent of about $90 million from Iran’s largest cryptocurrency trade amid Israeli navy strikes on Iran.