Payments & AML compliance
(KYC/KYB, AML/CFT, Travel Rule)
KYC/KYB tiers: L0 browse; L1 OCR; L2 liveness + lists; L3 high‑limit/KYB.
AML/CFT: Sanctions/PEP/adverse media; address intelligence (TRM/Chainalysis‑class); behavioral flags trigger KBA/freeze/manual review.
Travel Rule: Integrate with VASPs where applicable.
Chargebacks/disputes: Evidence chains (order, device fp, session sig, GPS/POI, on‑chain hashes); targets < 0.5% (region/MCC vary). Records retained 5–7 years per jurisdiction.
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