In late 2025 and early 2026, the Israel–Iran shadow conflict returned to headlines, with cyberattacks, missile threats, and regional strikes affecting global financial markets. During brief spikes in war‑related news, crypto markets initially sold off, with Bitcoin and Ethereum both correcting by several percentage points as traders rushed to cash and safer assets.
But over time, the broader story flipped. Countries like Iran, already under heavy Western sanctions, have expanded their use of cryptocurrencies to bypass traditional banking restrictions. Analysts estimate Iran’s crypto‑related activity has grown into a multi‑billion‑dollar ecosystem, partly driven by state‑linked entities and sanctioned institutions moving value through digital assets. This has led some traders to view Bitcoin less as a pure “risk‑on” asset and more as a geopolitical escape hatch, causing BTC to rebound sharply after the worst of each escalation.
Ethereum and Ethereum‑based DeFi protocols, by contrast, are more sensitive to global risk sentiment. When Israel–Iran headlines flare up, traders often reduce leverage and withdraw from risky DeFi positions, leading to temporary drops in ETH price and usage. However, every crisis also reignites debates about decentralization, censorship resistance, and the need for non‑bank settlement rails, which ultimately feeds more long‑term interest into ETH and Layer‑2 ecosystems.