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2. Address verification service - Wikipedia

   en.wikipedia.org/wiki/Address_verification_service

   Address verification service. An address verification service ( AVS) is a service provided by major credit card processors to enable merchants to authenticate ownership of a credit or debit card used by a customer. [ 1] AVS is done as part of the merchant's request for authorization in a non-face-to-face credit card transaction.

3. RFID credit cards: Should you worry about protection? - AOL

   www.aol.com/finance/rfid-credit-cards-worry...

   Make sure you have a strong password for your online accounts. ... Take the time to review your credit card statements and credit report routinely. These tools document activity on your accounts ...

4. Luhn algorithm - Wikipedia

   en.wikipedia.org/wiki/Luhn_algorithm

   Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]

5. List of major credit card issuers and networks - AOL

   www.aol.com/list-major-credit-card-issuers...

   The right credit card in your wallet can make your regular spending go a long way. Credit cards are convenient financial tools, offering better consumer protections than debit cards while helping ...

6. Credit card fraud - Wikipedia

   en.wikipedia.org/wiki/Credit_card_fraud

   A fake automated teller slot used for "skimming". Credit card fraud is an inclusive term for fraud committed using a payment card, such as a credit card or debit card. [ 1] The purpose may be to obtain goods or services or to make payment to another account, which is controlled by a criminal. The Payment Card Industry Data Security Standard ...

7. 6 times a balance transfer is a bad idea - AOL

   www.aol.com/finance/6-times-balance-transfer-bad...

   A balance transfer credit card is one that provides a 0 percent introductory APR on balance transfers, allowing you to move your existing credit card debt from a high-interest card to the balance ...

8. How to read your credit card statement - AOL

   www.aol.com/finance/read-credit-card-statement...

   Last four digits of the card used. Amount charged or credited. If you have authorized users on your account, the last four digits of the card used could help you identify where or who the purchase ...

9. Payment Card Industry Data Security Standard - Wikipedia

   en.wikipedia.org/wiki/Payment_Card_Industry_Data...

   The Payment Card Industry Data Security Standard ( PCI DSS) is an information security standard used to handle credit cards from major card brands. The standard is administered by the Payment Card Industry Security Standards Council, and its use is mandated by the card brands. It was created to better control cardholder data and reduce credit ...