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U.S. Treasury cracks down on Iranian money laundering schemes amid rising tensions

Iran's Revolutionary Guard is under fire as the U.S. tightens financial scrutiny. Billions in covert oil deals and crypto transactions expose gaps in global sanctions enforcement.

The image shows an Iranian 200 Rials banknote with a picture of a bridge on it. The note is from...
The image shows an Iranian 200 Rials banknote with a picture of a bridge on it. The note is from the Bank of Iran and has a denomination of 200 rials. The bridge is depicted in the center of the note and is surrounded by a blue and white pattern. The text on the note reads "Bank of Iran" and "200 Rials".

U.S. Treasury cracks down on Iranian money laundering schemes amid rising tensions

The U.S. Treasury has issued new warnings to banks and financial firms over suspected Iranian money laundering. Authorities are urging closer scrutiny of transactions that could fund Iran’s Revolutionary Guard. The move comes as tensions rise between Washington and Tehran over sanctions and oil smuggling networks.

Meanwhile, President Donald Trump has described the Iran ceasefire as being on 'life support'. In April, the Treasury threatened secondary sanctions against China, Hong Kong, the UAE, and Oman for continuing trade with Iran. The U.S. has also identified multiple red flags for banks to monitor. These include oil shipments falsely labelled as 'Malaysian blend' to hide Iranian origins, missing or forged shipping documents, and suspicious ship-to-ship transfers.

Iran has increasingly relied on shell companies and cryptocurrency networks to bypass sanctions. Officials have flagged newly formed firms moving large sums, payments routed through multiple intermediaries, and transactions linked to Iranian crypto firms. In 2024 alone, oil companies tied to Iran processed around $4 billion in transactions, with about $707 million flowing through U.S. accounts.

The Trump administration is tightening economic pressure on Iran, using both direct sanctions and the threat of penalties against foreign entities. Banks are now required to report customers suspected of laundering funds for Iran’s Revolutionary Guard.

The latest measures reflect a broader push to disrupt Iran’s ability to fund its military and evade restrictions. The Treasury’s warnings highlight the scale of Iran’s efforts to bypass sanctions through complex financial schemes. With billions in oil-related transactions detected, U.S. authorities are stepping up enforcement. The crackdown adds to growing tensions as diplomatic efforts remain strained.

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