The U.S. Treasury Department announced sanctions against Iran's largest cryptocurrency exchange, Nobitex, and several of its executives on charges of helping the Iranian government circumvent international sanctions and finance militant activities.

The action targets Nobitex, which operates as Iran's biggest digital currency trading platform, along with key personnel within the organization. Treasury officials accused the exchange of facilitating transactions that allowed the Iranian government to evade existing economic restrictions imposed by the United States and international partners.

The sanctions specifically allege that Nobitex enabled financial flows to militant groups, though the Treasury did not immediately provide detailed information about which organizations received funding through the platform. The designation effectively freezes any U.S.-based assets belonging to the sanctioned individuals and entities while prohibiting American citizens and companies from conducting business with them.

This enforcement action represents part of the Biden administration's broader effort to crack down on cryptocurrency platforms that facilitate sanctions evasion. Iranian entities have increasingly turned to digital currencies as traditional banking channels have become more restricted due to international sanctions related to the country's nuclear program and support for regional militant groups.

The sanctions come as U.S. officials have expressed growing concern about Iran's use of cryptocurrency networks to finance proxy groups across the Middle East. The Treasury Department has previously targeted other Iranian cryptocurrency exchanges and wallet services as part of its campaign to limit Tehran's access to international financial systems.