Source-of-funds reviews focus on the origin of a specific balance or transaction. The strongest response connects conventional financial records with blockchain and exchange records.
Common supporting documents
- Bank statements showing fiat deposits or withdrawals.
- Exchange statements and transaction exports.
- Purchase agreements, invoices or payroll records.
- Wallet addresses and transaction hashes.
- Tax or accounting records where relevant.
Build an evidence chain
Documents should be organised chronologically and cross-referenced. A short cover explanation can help a reviewer understand how each document supports the transaction path.
Requirements vary by platform and jurisdiction, so this overview is general information rather than legal advice.