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Inside Tehran’s toll booth

Sanctions & Export ControlsCurrency & FXGeopolitics & WarEnergy Markets & PricesFintechCrypto & Digital AssetsEmerging Markets
Inside Tehran’s toll booth

China buys over 80% of Iran’s seaborne oil, and yuan-denominated settlement is rising as intermediaries and non-dollar banks route payments; CIPS daily volumes averaged $85–105bn over the past year and spiked to >$130bn in mid‑late March. Iran uses a layered mix of formal channels, hawala and UAE/Hong Kong/Singapore exchange houses, state-linked front companies, and crypto (Chainalysis estimates $7.8bn on‑chain in 2025) to settle exports, which complicates U.S. sanctions enforcement. Experimental platforms and regional RMB clearing (mBridge: ~4,000 transactions worth $55.49bn, 95.3% digital yuan) and UAE participation in CIPS could further reduce reliance on dollar clearing, but direct visibility into Iran-linked flows remains limited.

Analysis

The fragmentation of cross‑border settlement is creating a bifurcated market: a visible, regulated layer and a parallel opaque layer that price in sanction, custody and seizure risk. Expect counterparties that facilitate opacity (exchange houses, free‑zone intermediaries, specialized custodians) to attract flow but also a rising risk premium — meaning revenue growth for those conduits will come with greater episodic cash‑flow volatility and legal tail‑risk. Wider adoption of non‑dollar rails and wholesale digital rails will incrementally reduce the marginal effectiveness of financial sanctions, but this is a multi‑year process. In practical terms, commodity counterparties and regional clearing banks can capture 5–15% of bilateral trade volume under an accelerated adoption scenario within 12–36 months; that share is highly sensitive to enforcement actions and correspondent banking decisions and could reverse quickly if major correspondent banks exit. On‑chain settlement and stablecoin usage create a double paradox: higher operational opacity for sanction evasion but greater forensic visibility for sophisticated analytics providers. That dynamic will transfer value to analytics/forensics vendors, to insurance/reinsurance covering trade/ cargo risk, and to exchanges and clearing venues that can credibly demonstrate robust AML/compliance tooling, while increasing funding and hedging needs for commodity traders and owners of physical transport capacity.