1. The Toll You Can't Legally Pay
Iran is now enforcing a blacklist inside the Strait of Hormuz with gunfire, collecting the toll in crypto, and running the whole apparatus through an organization it is a federal crime to pay.
On Friday, Iranian state media announced that Iran's Revolutionary Guard navy has drawn a restricted zone inside the Strait of Hormuz. Ships on the list can still sail through, but they lose access to maritime support and insurance services if anything goes wrong. Iran alone decides who is on the list, based on whether a ship coordinated its passage with Iran first. There is no rule published in advance that a shipowner can check. This is Iran's own account of its own policy, carried by its own state-aligned press; no outside source has confirmed the zone exists exactly as described. Western trade press has independently confirmed three separate tanker attacks hit the strait over the past three days.
The same force struck a Togo-flagged tanker, the Trend, on Wednesday night, saying it attempted illegal passage at the instigation of the US military. Iran has treated any transit it has not personally authorized as illegal since March, when the Revolutionary Guard declared the strait closed to unfriendly nations unless Iran approves the vessel first. That standard does not depend on a ship's flag, owner, or cargo. It depends on whether Tehran said yes, which means it can reach nearly any commercial vessel afloat.
The money side has a name now too. Treasury sanctioned BitBank, an Iranian cryptocurrency exchange, on Thursday for moving toll payments collected by an entity called Hormuz Safe into Iran's financial system. Treasury says the network moved hundreds of millions of dollars to the Revolutionary Guard between June and July alone. That closes a trap rather than opening one: the Revolutionary Guard, the same force running the list, has been on the US terrorist sanctions list for years. Paying the toll, or even asking to get off the list, means transacting with a designated terrorist organization under US law. There is no legal route through.
Saudi Arabia's own response shows how real this is. Aramco, the Saudi state oil company and the world's largest oil exporter, normally moves crude overland through its East-West pipeline to skip the strait entirely. An attack on that pipeline this month stopped that flow. Rather than wait for repairs, Aramco cut October crude allocations to at least two of its European term customers to zero and rerouted roughly 60 million barrels back through Hormuz instead. Sailing through a contested strait beat not shipping oil at all.
None of this points toward a resolution. The most likely path from here is more of the same: intermittent strikes, an expanding sanctions list, and oil producers routing through the risk because their alternatives are drying up, one pipeline at a time. Bank of America is watching for oil near $150 a barrel only if the fighting moves from ships and pipelines to oil fields and export terminals directly, a step beyond anything confirmed so far. Insurers underwriting war-risk coverage on these routes are the other number worth watching. When they move, before the headlines catch up, that is usually the clearest signal of where this is actually heading. This is not going to resolve soon. The list, the sanctions, and the workarounds will keep shifting for weeks, probably months, and it would not be surprising if it stretched into years.