Under Fire: How Iran's Financial System Relied on Stablecoins to Withstand Military Strikes

TEHRAN—Weeks before missiles struck Iranian soil, U.S. Treasury investigators were already probing whether cryptocurrency networks were facilitating sanctions evasion. When the bombs fell on February 28, that theoretical inquiry became a brutal, real-world experiment—one that laid bare the Islamic Republic's deep and growing dependence on digital assets to bypass traditional finance.

The immediate aftermath was chaotic. Internet connectivity across Iran dropped by roughly 99%, according to blockchain analytics firm TRM Labs. In the days that followed, cryptocurrency transaction volumes cratered by 80%. Major local exchanges like Nobitex, which serves an estimated 15 million users, scrambled into defensive mode, suspending withdrawals and moving to twice-daily batch processing.

Yet, the most telling response came from Iran's Central Bank. In a move reminiscent of a government shutting down foreign exchange markets during a currency crisis, it directed exchanges to temporarily halt trading of the USDT-toman pair. The toman, a common denomination of Iran's rial, is the primary on-ramp and off-ramp between crypto and local currency. With panic driving citizens to swap rials for dollar-pegged Tether (USDT), this trading pair had become a real-time barometer of confidence in the national currency. Halting it was an attempt to stem a potential stampede.

"This was the clearest signal yet that stablecoins aren't just a niche tool in Iran; they are embedded in the financial plumbing," said Dr. Anya Sharma, a geopolitical risk analyst at the Center for a New American Security. "The state felt compelled to intervene directly in a crypto market to maintain monetary stability. That's unprecedented."

The resilience, however, was uneven. While the public faced a crypto blackout, evidence suggests state-linked actors may have maintained access. TRM Labs, in its post-strike analysis, noted that the overall volume drop could mask quieter movements by regime-connected players using any infrastructure that remained online. "The ecosystem shrank but did not break," the firm concluded, calling the episode "evidence of stress, not failure."

The stress test illuminated a system that had been quietly scaling for years. Data from TRM Labs and Chainalysis indicates Iran's crypto transaction volume reached an estimated $8–10 billion in 2025. More critically, analytics firm Elliptic found Iran's Central Bank itself acquired at least $507 million in USDT last year—a "sophisticated strategy to bypass the global banking system." Separate reports have detailed how UK-registered shell companies funneled hundreds of millions in stablecoins to wallets linked to the Islamic Revolutionary Guard Corps (IRGC).

The international regulatory response is now accelerating. On March 3, the Financial Action Task Force (FATF) released a report specifically targeting stablecoins and "unhosted" wallets, citing data that stablecoins accounted for 84% of illicit crypto volume in 2025. It explicitly named Iranian actors and urged stablecoin issuers to adopt powers to freeze or burn tokens—a direct challenge to the autonomy that makes these assets attractive for circumvention.

"We're witnessing the weaponization of financial technology," said Marcus Thorne, a former compliance officer at a major global bank. "The very feature that makes stablecoins like USDT efficient for legitimate cross-border trade—their dollar peg and borderless nature—also makes them the perfect vehicle for regimes under siege. Tether's zero-tolerance policy is meaningless if they can't trace the end-user, which they often can't."

The February strikes did not create Iran's crypto dependency; they simply ripped away any remaining doubt about its scale and strategic importance. As sanctions pressure intensifies, the regime's pivot to this digital lifeline appears not just viable, but entrenched.

Voices & Reaction

• David Chen, Fintech Professor at Stanford: "This is a case study in adaptive finance. The infrastructure survived a near-total internet kill switch. Regulators worldwide should note: targeting centralized exchanges is no longer enough. The network itself is the vulnerability—and the asset."
• Sarah El-Masri, Economic Journalist: "The human cost is obscured. Ordinary Iranians saving in crypto to preserve value saw their access vanish overnight. The regime's actors likely did not. This crisis exacerbated inequality in access to a hedge against hyperinflation."
• General (Ret.) John "Jack" O'Malley, Security Analyst: "This is an utter failure of sanctions policy. We're funding both sides of the ledger—selling Iran weapons via proxies and then watching them use our own digital dollar clones to pay for it. It's farcical. The Treasury needs to stop investigating and start acting with extreme prejudice against any platform touching these flows." [Emotional/Sharp]
• Leila Farzad, Iranian-Canadian Economist: "For Iranians, this isn't about politics; it's about survival. When your currency loses 90% of its value in a decade, you will grasp at any dollar-denominated life preserver, digital or not. Blaming the tool ignores the economic desperation that created the demand."

Original reporting contributed by Oihyun Kim of BeInCrypto.