Payment Glossary: 70+ Payment Terms and Definitions for 2026
Understand the language behind payments, approvals, and smart retries.
Learn our 70+ terms
CAVV is the cryptographic proof that a 3D Secure check succeeded. When payment systems pass it correctly, merchants reduce fraud exposure and avoid declines caused by broken authentication data.
CAVVCardholder Authentication Verification Value, 3DS authentication value, 3D Secure cryptographic value