Credit Card Glossary: Terms and Definitions
User authentication is the process of validating a credit card user’s identity or authorized user status. User authentication is an important part of a merchant’s duties in accepting credit card, although in practice, authentication has in recent years become often cursory or nonexistent.
Terms from A-Z
Search the CreditCards.com glossary for every credit-related term from "account holder" to "zombie debt." Select a letter for alphabetized terms and definitions.