The U.S. Treasury Department blacklisted several Iranian crypto exchanges, including its largest platform Nobitex, on Tuesday as part of its ongoing campaign against the Iranian government.

The Treasury’s Office of Foreign Asset Control announced that Nobitex, Wallex, Bitpin and Ramzinex, as well as some of these exchanges’ executives, were being added to its global Specially Designated Nationals list, barring any U.S. entities or businesses and people who use the U.S. dollar financial system from providing any financial services with the platforms.

The announcement came just days after Treasury Secretary Scott Bessent announced that his department had seized around $1 billion in crypto from Iranian exchanges and wallets since the…