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Ahmed Barakat
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US Treasury Secretary Scott Bessent announced sanctions on a network of Iran-linked Bitcoin crypto wallets this week, freezing $344 million in crypto. This is one of the largest single enforcement actions targeting Tehran’s on-chain infrastructure.
The move came as the Trump administration escalates economic pressure on Iran during active nuclear negotiations, and it signals that the Treasury is no longer treating crypto as a peripheral sanctions enforcement problem.
Iran’s crypto ecosystem was valued at more than $7.78 billion last year, growing faster than in 2024, and the Islamic Revolutionary Guard Corps now accounts for half of all on-chain activity.
How Iran Turned USDT and State Bitcoin Mining Into a Sanctions Bypass Machine
The Central Bank of Iran bought more than $500 million in USDT last year. Allegedly and systematically routing reserves through a US dollar-pegged stablecoin to circumvent SWIFT-dependent banking rails. Elliptic flagged the purchases in a January report, calling it part of a deliberate strategy to access dollar liquidity without touching the correspondent banking system.
USDT’s appeal is structural. It carries dollar stability without requiring a US bank account, settles on public blockchains in minutes, and moves freely across borders. Iran has been exploiting that window aggressively.
Geopolitical flashpoints like the Strait of Hormuz dispute have only accelerated the integration: in early April, Iranian authorities announced they would require oil ships transiting the strait to pay tolls in bitcoin, formalizing crypto’s role in sovereign trade infrastructure.
The IRGC’s parallel operation is harder to trace. By using subsidized electricity, the IRGC engages in crypto mining and is effectively converting energy into non-sanctionable money, according to a Tehran-based cryptocurrency and blockchain researcher.
Freshly mined Bitcoin carries no transaction history; it is clean of any address exposure that on-chain analytics firms can flag. That makes it far more useful than coins circulating through sanctioned exchanges, and it means the IRGC is generating hard currency from energy assets that no enforcement action can retroactively freeze.
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On-Chain Loopholes Multiplying?
OFAC tied the frozen $344 million specifically to USDT wallets to Iran’s oil payment masking operations, with Tether blacklisting the flagged addresses.
“We will follow the money that Tehran is desperately attempting to move outside of the country and target all financial lifelines tied to the regime,” Bessent posted on X.
But the gaps remain visible in the transaction data. Between February 28 and March 2, following US-Israel strikes, on-chain analytics detected $10.3 million in cryptoasset outflows from Iran linked Bitcoin wallets. Chainalysis confirmed that some of those wallets had historical exposure to IRGC-identified addresses, indicating state-level fund movement in real time.
Before Israel’s 12-day war in June 2025, TRM Labs identified a 150 percent spike in outflows from Nobitex. Within minutes of the first strike, outgoing volumes surged 700 percent. Even when $90 million was stolen from Nobitex in a June 18 cyberattack attributed to Israel-linked group Predatory Sparrow, the platform’s 11 million users kept trading. The ecosystem absorbed the hit.
Martin said regulators “are coming to understand” that cryptocurrencies are being used at scale for sanctions evasion, and more designations are coming. If Treasury coordinates its next wave of actions with DOJ and FinCEN to target virtual asset service providers processing Iranian flows, and pressures stablecoin issuers to implement proactive blocking rather than reactive blacklisting.
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