The US Treasury sanctioned four of Iran's largest crypto exchanges on June 2 and froze nearly $500 million in digital assets connected to the Iranian regime. The designation accuses Nobitex, Bitpin, Ramzinex and Wallex of funneling money to the Islamic Revolutionary Guard Corps through stablecoin transactions, ransomware payments and maritime extortion schemes.
The Office of Foreign Assets Control sanctioned four of Iran's largest digital asset platforms on June 2, accusing them of funneling money to the Islamic Revolutionary Guard Corps through a web of stablecoin transactions, ransomware payments and maritime extortion schemes. The platforms named are Nobitex, Bitpin, Ramzinex and Wallex, which together represent the backbone of Iran's domestic crypto market.
Nobitex carries the most weight of the four. It reportedly processed over 50% of the country's digital asset inflows in 2025.
Toll payments in the Strait of Hormuz
Treasury did not stop at generic sanctions evasion. The designation specifically calls out toll payments — digital asset fees allegedly paid to IRGC-linked entities for safe passage through the Strait of Hormuz. About a fifth of global oil passes through that strait daily.
Nearly $500 million frozen, much of it on TRON
The action froze nearly $500 million in digital assets connected to the Iranian regime. More than $130 million of that sat in USDT on the TRON network, in wallets allegedly tied to Iran's Central Bank and its IRGC operations.
Several Iranian nationals were designated alongside the platforms, including Nobitex executives and founders such as Amir Hossein Rad. The measures cut those individuals and entities off from the US financial system and make it illegal for any US person or company to transact with them.
Washington's crackdown widens
Beyond the exchanges, Treasury announced sanctions against two Iranian firms involved in digital asset payments, reportedly connected to a broader network using Bitcoin to circumvent sanctions, particularly in sectors like shipping insurance. Market odds for a US-Iran nuclear deal by August 13, 2026 have decreased to 1.4%, suggesting diminished confidence in reaching an agreement.
The IRGC's exploitation of digital assets has reportedly intensified during periods of internet restrictions inside Iran. Stablecoins in particular offer dollar-denominated value transfer without touching a single correspondent bank.
Crypto prices barely moved
Major crypto prices barely flinched on the news. Bitcoin and other large-cap tokens showed little immediate reaction, which tracks with how the market has responded to previous sanctions actions.
The TRON freezes are the part worth watching, because they show US enforcement reaching onto decentralized infrastructure.
Sources: Crypto Briefing, Crypto Briefing
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