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Thursday, May 24th 2012
Credit Card Glossary

Credit Card Glossary: Terms and Definitions

Confused by credit card terms? CreditCards.com's glossary of credit card definitions will help. From account holder to Regulation Z, we have defined the most-common and most-confusing credit card terms.
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Transaction Authentication Number (TAN)
A Transaction Authentication Number (TAN) is similar to a PIN, but it's a one-time authorization number used by some financial institutions to increase security of online transactions.
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