What Is an AML Crypto Wallet Check?

Why AML checks exist for crypto

Traditional banks have been required to screen transactions for money laundering since the Bank Secrecy Act (1970) in the US and equivalent laws in Europe and Asia. Crypto was initially outside this framework — but FATF's 2019 guidance extended AML requirements to Virtual Asset Service Providers (VASPs), including exchanges, OTC desks, and custodial wallets.

Today, regulated crypto businesses in the US, EU, UK, UAE, Singapore, and 40+ other jurisdictions must screen their users' wallets and incoming transactions. The AML check is how they do it.

What an AML check actually does

When you submit a wallet address for AML screening, the engine performs four sequential steps:

1. Direct sanctions match — The address is checked against OFAC SDN, EU consolidated, UN Security Council, UK HM Treasury, and Swiss SECO lists.
2. Darknet and blacklist match — The address is checked against curated sets of darknet market wallets, ransomware payment addresses, and exchange blacklists.
3. Graph tracing (up to 4 hops) — The transaction graph is walked in both directions to identify indirect exposure — funds that passed through flagged wallets before reaching this one.
4. Heuristic scoring — Behavioral patterns (mixer entries, peel chains, dust attacks) are detected and weighted.

Who needs AML checks?

• Crypto exchanges and OTC desks — Required by FATF and local regulation to screen all users and transactions.
• P2P traders — Protect your exchange account from incoming tainted funds.
• Freelancers and merchants accepting crypto — Avoid exchange freeze from client wallets with dirty history.
• Compliance teams — Due diligence for business partnerships and investment decisions.