Discover the types of bank cards, including credit, debit, and prepaid, and learn about their uses, security features, and ...

Clint Proctor is a lead editor with the credit cards and travel rewards team at Forbes Advisor. He has five years of experience in personal finance journalism and has contributed to a variety of ...

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A credit card authorization key is a secure code used to process transactions, confirming purchases and preventing fraud between POS systems and banks.