How Economies Are Being Used As A Tool For War In The 2026 Iran-US-Israeli War
Oil jumped 62%. Gold, the so-called safe haven, fell. Bitcoin went nowhere. And the United States froze $344 million of Iran's stablecoins in a single afternoon. A data report on how prices, tolls and frozen wallets became weapons.
Three months in, the war is being fought with prices, tolls and frozen wallets
On 28 February 2026, the United States and Israel struck Iran. What followed was not only an air war. It was a contest of economic pain. Iran turned the Strait of Hormuz, the artery for a fifth of the world's seaborne oil, into a tollbooth. The United States answered with a naval blockade of Iranian ports and a campaign to freeze the regime out of the dollar system. Both sides are betting that they can hurt the other's economy faster than their own can be hurt.
For anyone holding risk, the lesson of the past three months is blunt. The assets that were supposed to protect capital did not all behave the way the textbooks promised. Crude oil rose about 62% from its February level. The US dollar strengthened. Gold, the asset most people reach for in a crisis, fell roughly 13%. And Bitcoin, marketed for a decade as digital gold, spent the entire war stuck in a band between $63,000 and $77,000 while equities and commodities did the talking. This report walks through the numbers, the wallets and the timeline, using prices verified to 1 June 2026.
Crude did what crude does in a Gulf war: it spiked
The single cleanest reading of this conflict is the price of a barrel. It rose, fast, the moment the strait closed.
Monthly average West Texas Intermediate sat at $57.26 in December 2025, a pre-war low. By the time the strikes landed in late February, it had drifted to $66.96. Then the strait shut. March averaged $102.86, a jump of more than 53% in a single month. April peaked at $108.64, roughly 62% above the February level and about 90% above the December floor. Brent ran hotter still, with dated cargoes reportedly trading past $140 at the worst of the March panic, the highest since 2008.
Prices have since cooled as buyers drew down reserves and rerouted tankers, with WTI back near $93 by June. But the message for traders was set in the first fortnight. When a fifth of seaborne crude is held hostage, energy is where the war shows up first, and where it shows up largest.
Crude oil, monthly average price per barrel (WTI)
Why one narrow strait moves the whole world's prices
Hormuz is not just an oil story. It is a food, fuel and manufacturing story, which is exactly why closing it works as a weapon.
Of everything that moves by sea each year, the Strait of Hormuz carries about a quarter of the crude oil, a fifth of the liquefied natural gas, a third of the fertiliser, half of the sulfur and a third of the helium. That last figure matters more than it sounds: helium is needed to make semiconductors, so a Gulf war quietly threatens the chip supply chain. Fertiliser running a third through the strait means a planting season at risk across Asia and Africa.
The pain is not spread evenly. Some economies are almost entirely dependent on oil that passes through this one waterway. Japan draws roughly 90% of its crude through Hormuz. South Korea about 80%, India about 60%, China about 40% and the European Union about 20%. When Iran adjusts who may pass, it is adjusting the fuel bill of half the industrial world.
Share of global seaborne trade that passes through Hormuz
Crude oil reliance on Hormuz, by economy
Iran has built a system on top of this dependence. After its parliament passed a Strait of Hormuz management plan, Tehran began charging about $1 per barrel on at least some loaded oil tankers, payable in Bitcoin, with 96 hours' notice and an escort by the Revolutionary Guard. Private deals for individual ships have reportedly run as high as $150,000. A tiered structure decides who gets through cheaply: friendly states like Russia and China at the top, then states keeping relations with Tehran such as India and Pakistan, then bilateral cases like Vietnam, then privately negotiated transits. Ships linked to the United States and Israel are barred.
The war broke two safe-haven myths at once
A real geopolitical shock is the cleanest test of what actually protects capital. Two of the most popular hedges failed it.
Measure the four assets from the day the war began. Crude oil rose about 40% on a spot basis. The US dollar strengthened by an estimated 6.5% as the Federal Reserve's expected rate cuts repriced from two or three all the way to zero. Bitcoin gained around 11% but went essentially sideways, trapped in its $63,000 to $77,000 band. And gold, the asset everyone names first in a crisis, fell about 10% after an early spike, because a surging dollar and vanishing rate cuts pulled the floor out from under it.
The takeaway is uncomfortable for two camps at once. Gold did not save you. Neither did Bitcoin. The thing that actually absorbed the safe-haven flows was the US dollar, with energy exposure as the cleanest way to be long the conflict itself.
How four assets performed since the war began (28 Feb to 1 Jun)
Bitcoin's own path tells the story in detail. It opened the war near $65,000 and briefly dipped to $63,000. It pushed toward $80,000 in early May before being rejected. Then, on the night of 25 to 28 May, fresh US strikes on Iran sent it back below $73,000 and triggered close to $1 billion in liquidations, of which about 93% were long positions. By 1 June it sat near $72,145, with a total crypto market value around $1.33 trillion. For a decade it was sold as a hedge against exactly this kind of event. In this event, it traded like a high-beta risk asset.
Bitcoin price through the war, US dollars
The largest stablecoin freeze on record, in a single afternoon
The financial war has an on-chain front. On 23 April, the United States showed how fast a sovereign crypto reserve can be switched off.
Under a US Treasury enforcement push reported as Operation Economic Fury, Tether worked with the Office of Foreign Assets Control and law enforcement to freeze about $344.21 million in USDT tied to the Central Bank of Iran. It is the largest single stablecoin freeze on public record. Two TRON wallets, both added to the OFAC sanctions list, held the funds. Treasury Secretary Scott Bessent framed the action as a move to "follow the money that Tehran is desperately attempting to move." Tether's chief executive put it more plainly: the token "is not a safe haven for illicit activity."
The $344M freeze, split across the two wallets
Iran's annual crypto transaction volume, US dollars
According to TRM Labs, the two wallets together took in roughly $370 million across nearly 1,000 transactions since March 2021, moved less than 7% of it back out, and routed even those small outflows back into the same network rather than to exchanges. They look like terminal repositories. The freeze sits inside a wider pattern: Iran ran an estimated $11.4 billion in crypto volume in 2024 and about $10 billion in 2025, and in January 2026 OFAC designated the exchanges Zedcex and Zedxion after roughly $1 billion was traced through that infrastructure. The point for any USDT holder is simple. A stablecoin balance can be frozen by its issuer at the request of a government. It is dollars on rails, not censorship-resistant money.
The bigger risk is that tolling a strait becomes normal
The Hormuz standoff will end. The idea it has revived, that a coastal state can charge the world to use an international waterway, may outlast the war.
In late April, Indonesia's finance minister floated the idea of a toll on the Strait of Malacca, then walked it back within days. A charge similar to what Iran has suggested for laden tankers would mean Malacca transit fees of roughly $8.5 billion a year. Singapore, whose economy depends on traffic flowing freely through Malacca, condemned the idea outright. The historical echoes are real: Denmark levied Sound Dues on ships in its straits until 1857, and Turkiye still charges cost-recovery fees under the Montreux Convention, reporting just under $230 million from more than 51,000 transits in 2024.
If tolling spreads, a single cargo could be charged several times over. Gulf oil heading to East Asia might pay once at Hormuz and again at Malacca, doubling the cost of a flat-fee model. That is the scenario worth watching, because it would reprice global trade well beyond this one war. Iran has already published a map of undersea internet cables in the Gulf and hinted at taxing those too.
What the past three months actually taught
Five signals that move the next leg
How the economic war unfolded
Get the full data report
The complete UEEx briefing: every chart, the full on-chain wallet analysis, the toll structure, and all sources in one document.
Where the numbers come from
This report is published by the UEEx Research Desk for informational purposes only. It is not investment, financial, legal or tax advice, and nothing in it is a recommendation to buy, sell or hold any asset. Cryptocurrency and commodity prices are volatile and can move sharply. Figures are drawn from the sources listed above and from a crude oil price history dataset, verified to 1 June 2026; the US dollar performance figure is an estimate. Wallet data reflects publicly reported on-chain analysis from Tether, OFAC and TRM Labs. Always do your own research and consider speaking with a licensed professional before making financial decisions.
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