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US Treasury Secretary Scott Bessent issued a direct warning to Oman on May 28: any entities facilitating toll collection in the Strait of Hormuz will face American penalties. The threat came alongside fresh sanctions on Iran’s Persian Gulf Strait Authority, an organization tied to the Islamic Revolutionary Guard Corps that has been charging vessels up to $2 million per transit through the narrow waterway.
What makes this more than a standard geopolitical dust-up for crypto markets is one specific detail. The Treasury explicitly flagged that attempts to route these toll payments through cryptocurrencies or stablecoins would not escape enforcement.
The toll system and why it matters
The Strait of Hormuz handles approximately 20% of the world’s oil supply. Iran’s PGSA has been attempting to levy fees on vessels transiting the strait, with stated rates running up to $2 million per ship. Actual collections have been more modest, reportedly staying below $1.3 million total as of early May 2026.
Recent discussions between Oman and Iran about establishing a joint toll system raised the temperature considerably. Senator Tom Cotton sent a letter urging sanctions action on May 22-23, just days before Bessent’s public warning landed.
Bessent described the tolling scheme as “extortionate,” framing the sanctions and warnings as part of a broader campaign to keep the strait open and free from what Washington views as coercive revenue extraction by Iranian-linked entities.
The crypto angle nobody should ignore
The Treasury went out of their way to specify that cryptocurrency and stablecoin transactions would be treated with the same enforcement rigor as traditional financial channels. If you’re a stablecoin issuer, a crypto exchange, or a wallet provider, and toll-related payments flow through your infrastructure, you’re now in the crosshairs of secondary sanctions.
Secondary sanctions don’t just target the bad actor directly. They target anyone who does business with the bad actor. That means a crypto exchange based in Singapore, Dubai, or anywhere else that processes a transaction linked to PGSA toll payments could find itself cut off from the US financial system.
What this means for crypto markets and investors
For stablecoin issuers like Tether and Circle, the message is clear: compliance infrastructure needs to account for increasingly specific geopolitical scenarios. The Treasury is watching for creative routing of sanctioned payments, and digital rails are now explicitly on the radar.
Oman has been building itself as a crypto-friendly jurisdiction, courting mining operations and digital asset companies. If Omani entities end up entangled in the toll dispute, exchanges with significant Omani exposure may need to reassess counterparty risk.
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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