Credit Card Glossary: Terms and Definitions
PIN (personal identification number)
A PIN, or personal identification number, is a series of digits used to verify the identity of the holder of a card. The PIN is a kind of password. Consumers often may choose whether to authorize a debit card transaction by signature or PIN; while it may make no difference to consumers, the choice means they are choosing different transaction processing systems.
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.