How to check a crypto address for OFAC sanctions — free, in 10 seconds

2026-08-05 · AMLConsensus Blog

Of all AML signals, OFAC sanctions are the harshest: if an address is on the list, accepting coins from it means an almost guaranteed freeze on any exchange in the world. The good news — you can check this for free, in seconds.

What the OFAC SDN list is

OFAC (the US Treasury's Office of Foreign Assets Control) publishes the SDN list — Specially Designated Nationals — which includes crypto addresses: hackers' wallets, mixers (Tornado Cash), sanctioned exchanges, terrorist organisations. The list is public and officially updated, and virtually every major exchange and stablecoin abides by it.

An address on the OFAC SDN list is a fact, not an opinion. 100% risk, refuse without discussion. Tether and Circle additionally freeze such addresses right in the USDT/USDC contract.

How to check an address for sanctions

Why checking sanctions alone isn't enough

A direct OFAC hit is rare; more often the danger is links to sanctioned addresses through a chain of transfers. So beyond the address itself, look at its counterparties: a full audit traces funds several hops deep and shows whether money reaches you from a sanctioned source indirectly.

Check any address for sanctions right now — it's free and takes less time than reading this paragraph.

Check your counterparty right now

Consensus of 4 sources · verdict across 17 chains · connection graph & full audit across 35+ networks · PDF with QR verification

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