Iran proposes tolls for oil transit through Strait of Hormuz, with Bitcoin as a payment option

Iran wants to charge rent on one of the world’s most critical shipping lanes. And it’s willing to accept Bitcoin.

The Iranian parliament has approved a management plan that would impose rial-based tolls on oil and LNG tankers passing through the Strait of Hormuz, the narrow waterway connecting the Persian Gulf to the open ocean. The plan also includes passage restrictions targeting US and Israeli vessels.

Roughly 20% of global oil and LNG shipments moved through that strait before the current conflict erupted on February 28. Today, according to maritime intelligence firm Kpler, just a handful of ships are making the transit.

Why crypto matters here

Iran’s proposal explicitly allows for tolls to be paid in Bitcoin or other digital currencies alongside the Iranian rial, specifically to route around Western sanctions infrastructure.

The tolls could generate up to $40 billion annually for Gulf states if traffic returns to pre-conflict levels.

Dollar-denominated payments are easily tracked, frozen, and sanctioned. Bitcoin transactions, while pseudonymous rather than anonymous, offer a degree of friction against the traditional financial surveillance apparatus that underpins Western sanctions regimes. Iran has been mining Bitcoin domestically for years, and this proposal represents a significant escalation from mining coins to demanding them as payment for access to critical infrastructure.

The legal and geopolitical minefield

The UN Convention on the Law of the Sea, or UNCLOS, explicitly prohibits the imposition of tolls on international straits. The Strait of Hormuz qualifies under this framework, meaning Iran’s proposal sits in direct tension with established maritime law.

The restriction on US and Israeli vessels transforms a commercial toll into a geopolitical instrument that selective enforcement could turn into a de facto naval blockade for specific nations while allowing allied or neutral traffic to pass, for a fee.

Iran controls one side of a 21-mile-wide chokepoint. Oman controls the other.

What this means for crypto markets

This proposal normalizes the concept of sovereign-level crypto adoption for trade settlement. Iran isn’t the first country to explore this — Russia and China have both experimented with digital currencies in bilateral trade — but explicitly embedding Bitcoin into a toll framework for the world’s most important shipping lane is a new frontier.

If Hormuz tolls raise the effective cost of oil transit, global energy prices climb. Higher energy costs squeeze proof-of-work mining margins, particularly for operators in regions without access to cheap renewables or stranded gas.

US Treasury and OFAC have already been tightening enforcement around crypto mixing services and sanctioned wallets. A $40 billion annual toll system with a Bitcoin payment option would give hawks in Washington powerful ammunition to push for more aggressive on-chain surveillance requirements and stricter compliance mandates for exchanges.

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