“On Friday, the Trump administration sanctioned three Iranian foreign currency exchange houses and associated front companies, which U.S. officials say constitute a key shadow banking system used to move billions of dollars in oil revenue.”

• The claim is directly supported by the Treasury Department's press release and corroborated by two independent news outlets, which all describe the sanctioning of three Iranian foreign currency exchange houses and associated front companies as part of a shadow banking system moving billions in oil revenue.

The claim is directly supported by the Treasury Department's press release and corroborated by two independent news outlets, which all describe the sanctioning of three Iranian foreign currency exchange houses and associated front companies as part of a shadow banking system moving billions in oil revenue.