Bloomberg reported on April 1, 2026 that Iran’s Islamic Revolutionary Guard Corps (IRGC) was extracting transit tolls from vessels seeking safe passage through the Strait of Hormuz. Ship operators were required to work through an IRGC-linked intermediary, submit detailed information on vessel ownership, flag, cargo, destination, and crew, and then negotiate a fee that typically starts around $1 per barrel of oil, payable in yuan or stablecoins, in exchange for a permit code and escorted route through what industry participants have dubbed the “Iranian tollbooth.”
A subsequent April 8, 2026 report in the Financial Times quoted Hamid Hosseini, a spokesperson for Iran’s Oil, Gas and Petrochemical Products Exporters’ Union — an industry association that works closely with the state — saying that tankers would need to email Iranian authorities about their cargo, after which Iran would inform them of the toll to be paid in “digital currencies.” He specifically referenced bitcoin, noting that vessels would be “given a few seconds to pay in bitcoin, ensuring they can’t be traced or confiscated due to sanctions.”
If implemented, this would mark a significant milestone: the first known instance of a nation-state demanding cryptocurrency as payment for transit through an international waterway. Beyond the immediate crisis, Tehran’s gambit establishes a dangerous precedent for the future of international commerce. If successful, this mechanism offers proof of concept that could be readily replicated by other heavily designated actors across critical maritime chokepoints and strategic arteries that play an outsize role in global trade.
While the concept may sound novel, it falls squarely in line with the Iranian regime’s well-documented and rapidly expanding use of cryptocurrency — specifically stablecoins — to facilitate trade in weapons, oil, and commodities at scale.
Hosseini’s remarks reference bitcoin specifically, and the choice has a surface-level logic: Bitcoin is totally decentralized and therefore cannot be frozen by an issuer, unlike stablecoins, such as USDT. However, based on our extensive analysis of the Iranian regime’s on-chain behavior, we suspect that stablecoins will ultimately be the preferred instrument for toll collection at scale, should this program materialize.
Historically, the regime has leveraged stablecoins because their backing by the U.S. dollar guarantees preservation of value and provides the liquidity necessary for use at scale. The regime’s reliance on stablecoins has taken on greater strategic import as the Iranian rial has plummeted and Iran’s economy remains in a state of crisis. Bitcoin, by contrast, experiences regular price volatility. Because it has no issuer and thus cannot be seized or frozen by an intermediary, BTC has primarily been used by Iranian cyber actors to extort ransomware victims and support malicious cyber operations, a fundamentally different use case from the high-volume, commerce-oriented flows that would characterize Hormuz transit fees.
The IRGC’s documented on-chain activity, spanning oil sales, weapons procurement, and proxy financing, has overwhelmingly relied on stablecoins as the medium of exchange. The Strait of Hormuz is one of the world’s most critical chokepoints, through which approximately 20% of the world’s oil and LNG pass. Given approximately 175 million barrels of crude and refined products are currently loaded onto tankers in the Gulf, tolls on even a fraction of these oil shipments could generate sorely needed revenue for the regime during the most severe threat to the Islamic Republic in decades.
To understand why crypto-denominated Hormuz tolls are a logical next step for the Iranian regime, it’s important to appreciate the scale and sophistication of the IRGC’s existing on-chain operations.
As we documented in our analysis of Iran’s $7.8 billion crypto ecosystem earlier this year, the IRGC’s on-chain activity has been growing steadily and represented approximately 50% of Iran’s total crypto ecosystem by Q4 2025. The volume of funds received by IRGC-associated addresses reached over $2 billion in 2024 and spiked to more than $3 billion in 2025. These figures represent a lower-bound estimate, as they include only addresses identified through OFAC designations and NBCTF seizure lists, and not the full universe of shell companies, financiers, and other wallets that the IRGC controls.
For the global shipping industry, Iran’s crypto toll introduces significant compliance risk. Iran is subject to comprehensive U.S. sanctions, meaning that virtually all transactions involving the Iranian government, its agencies, and its instrumentalities are prohibited for U.S. persons and entities. Shipping companies seeking passage through the Strait of Hormuz could face severe penalties for making payments to Iran in cryptocurrency or any other form. Furthermore, against the backdrop of a tenuous cease-fire, likely not all oil companies, shippers, and other multinational corporations are ready to move and insure cargo through the strait.
Typically, businesses would need to apply for a specific license or approval from the U.S. Treasury Department in order to transact with sanctioned entities or to conduct trade activities in sanctioned jurisdictions. Making cryptocurrency payments to an Iranian state-linked entity without such authorization would likely constitute a sanctions violation, exposing companies to the risk of enforcement actions, fines, and reputational damage for providing material support to Iran that could be used to fund its war effort and aligned groups throughout the region.
The fact that these payments would be denominated in cryptocurrency rather than traditional fiat does not change the underlying sanctions implications. But unlike traditional payment rails, the blockchain’s inherent transparency makes it possible for regulators and compliance teams to trace the flow of funds in near-real time. This can allow for the identification of entities that have interacted with sanctioned wallets, either directly or via intermediaries.
Continued public identification and verification of IRGC wallets remains essential. Each designation and seizure list adds to the on-chain map of the IRGC’s financial infrastructure, making it progressively harder for the regime to access mainstream liquidity.
Opportunities for disruption span the public and private sectors:
As Iran continues to integrate cryptocurrency into its state financial operations — from oil sales and proxy financing to maritime transit tolls — blockchain analytics is essential for maintaining visibility into these flows and enabling the global community to mitigate risk and generate actionable leads. Chainalysis will continue to monitor this situation and provide updated analysis as the on-chain picture develops.
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