President Trump declared on June 11 that the US would strike Iran “very hard” and hinted at seizing Kharg Island, the critical oil export terminal responsible for roughly 90% of Iran’s crude shipments. The announcement represents a dramatic escalation in a conflict that has been simmering since March, and it’s sending shockwaves through both traditional energy markets and the crypto sector.

Oil prices had already climbed nearly $2 on June 10 as traders priced in the growing probability of military action.

From ultimatums to airstrikes

Back in March 2026, Trump issued ultimatums threatening to “obliterate” Iranian energy infrastructure if Tehran didn’t reopen the Strait of Hormuz. That narrow waterway is the single most important chokepoint for global oil supply, with a significant share of the world’s crude passing through it daily.

Iran did not comply. What followed was a series of exchanges between the two nations that undermined an already fragile ceasefire. The ceasefire had been a linchpin for hopes that the Strait would reopen without a full-blown military confrontation.

Trump’s latest rhetoric about Kharg Island moves the conflict from threats about maritime access to something far more consequential: direct control over Iran’s energy export capability. Taking it would effectively shut off Iran’s oil revenue at the source.

Operation Economic Fury and the crypto connection

Alongside the military campaign, the US has been waging a parallel financial offensive dubbed “Operation Economic Fury.” As part of that effort, US authorities have seized approximately $1 billion in Iranian-linked digital assets.

Bitcoin, ether, and XRP all reacted sharply to both the escalatory threats and the intermittent peace talks that preceded them. The pattern has been consistent: hawkish signals send risk assets lower, while any whiff of de-escalation triggers relief rallies.

What this means for investors

The most immediate concern is oil supply disruption. If the US moves on Kharg Island or conducts strikes significant enough to impair Iranian export capacity, crude prices could spike well beyond the $2 move already seen. Higher energy costs feed directly into inflation expectations, which in turn influence central bank policy and risk appetite across every asset class, including crypto.

The $1 billion seizure under Operation Economic Fury puts every crypto exchange and custodian on notice. Exchanges that handle large cross-border flows will face increased pressure to demonstrate they’re not facilitating sanctions evasion.