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The US Treasury Department rescinded a general license authorizing Iranian oil exports on July 7, just weeks after granting it. The trigger: projectile attacks on three tankers in the Strait of Hormuz, including a reported strike on a Qatari LNG vessel.
The revocation effectively killed a temporary waiver that had been part of an interim memorandum of understanding between Washington and Tehran, signed in June 2026. That deal was supposed to allow limited Iranian oil sales until at least August 21. It barely lasted a month.
US officials called Iran’s actions “wholly unacceptable,” citing fundamental violations of the MOU’s terms. Oil futures responded predictably, surging over 3% immediately after the announcement as traders priced in tighter supply from a corridor that handles roughly 20% of the world’s crude oil flow.
Iran’s Bitcoin toll booth in the Strait of Hormuz
Iran announced back in April 2026 that it would charge tankers $1 per barrel in Bitcoin for safe passage through the Strait of Hormuz.
Iran has used Bitcoin for sanctions evasion for years, routing transactions through miners and intermediaries to bypass the traditional financial system. The revocation of the oil waiver only intensifies the incentive, as legal channels for oil revenue are now shut again.
Oil markets feel the heat, crypto watches from the sidelines
The immediate market impact landed squarely on crude. A 3%-plus spike in oil futures reflects genuine concern about supply disruption. The Strait of Hormuz is one of those geographic chokepoints where a few missiles can move global commodity prices.
What investors should actually watch
For crypto-specific implications, Iran’s Bitcoin mining operations and transaction flows have been tracked by blockchain analytics firms for years. A measurable uptick in Iranian-linked wallet activity following the waiver revocation would confirm that the sanctions-evasion thesis is playing out in real time.
There’s also the China angle. Iran’s oil exports flow primarily to Chinese refineries. If those volumes get disrupted, it creates supply pressure that could ripple through Asian energy markets.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
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