
OFAC listed 30 crypto addresses tied to Iran, part of a broader sanctions push that threatens dollar access for any firm dealing with Iranian digital asset businesses.
The US Treasury designated digital assets a sanctionable sector of Iran's economy on Monday, part of a campaign Treasury Secretary Scott Bessent called Operation Economic Outcast. The move means any exchange, payment processor or custodian that handles a significant transaction for an Iranian digital asset business risks losing access to the dollar system, even if the Iranian counterparty was never individually listed.
OFAC issued five sectoral determinations under Executive Order 13902, covering digital assets, technology, gold, aviation and shipping. It also designated nearly 60 entities and individuals, along with vessels, tied to Iran's nuclear and missile procurement and cyber operations. The agency suspended several general licenses covering remittances and Iranian access to US cultural and academic programs, and issued fresh guidance on shipping risk in the Strait of Hormuz.
The named designations included an on-chain component. OFAC listed 30 addresses across Bitcoin, Ethereum and TRON belonging to four defendants charged in a Justice Department superseding indictment unsealed Aug. 18. TRM Labs found the addresses had received roughly $16.8 million since January 2018. Ten wallets controlled by defendant Keyvan Fayaz accounted for $15.5 million, or 92% of the volume. The combined residual balance is $202,662, about 1% of what moved through.
The sectoral determination broadens compliance obligations for crypto firms globally. Companies that previously screened only against OFAC's Specially Designated Nationals list now must also assess whether a counterparty operates in Iran's digital asset sector – including mining pools, exchanges, wallet providers and DeFi protocols with Iranian users. The risk extends beyond fines to potential loss of correspondent banking relationships, Bessent said.
Monday's action extends a pressure campaign that has repeatedly touched crypto. In June, Treasury sanctioned Iran's largest exchange, Nobitex, along with three other Iranian platforms under the earlier Economic Fury campaign. Bessent said in May that the US had seized close to $1 billion in Iranian crypto. Treasury has separately pressed Binance on its monitoring obligations after reports of Iran-linked flows through the exchange.
The Justice Department says the group breached 144 US universities and stole more than 31 terabytes of academic data and intellectual property.
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