The U.S. has imposed sanctions on Iran’s largest cryptocurrency exchange, Nobitex, along with three other digital asset platforms, accusing them of helping Tehran bypass sanctions and move funds through the global financial system.

The measures were announced by the U.S. Treasury Department’s Office of Foreign Assets Control (OFAC) on Tuesday as part of its “Economic Fury” campaign against Iran. According to the department, Nobitex processed more than 50% of all digital asset inflows into Iran in 2025, making it the country’s dominant cryptocurrency exchange.

Nobitex sits at the heart of…