The US Treasury sanctions Iranian crypto exchange BitBank, saying it sent hundreds of millions to the IRGC and helped Iran operate a Strait of Hormuz toll booth (Shaurya Malwa/CoinDesk)

Shaurya Malwa / CoinDesk: The US Treasury sanctions Iranian crypto exchange BitBank, saying it sent hundreds of millions to the IRGC and helped Iran operate a Strait of Hormuz toll booth — Iran has spent this year charging tankers between $1 million and $2 million to cross the Strait of Hormuz …