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  2. What do the numbers on your credit card mean? - AOL

    www.aol.com/finance/numbers-credit-card-mean...

    Your credit card’s 15 or 16-digit number helps authenticate transactions. ... Mastercard and Visa networks are 16 digits long, whereas American Express credit cards have 15-digit numbers. The ...

  3. What is a credit card security code? - AOL

    www.aol.com/finance/credit-card-security-code...

    A credit card security code is a three- or four-digit number that’s found only on a physical credit card. ... Mastercard and Visa: Three digits on the back of the card at the right end of the ...

  4. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    A payment card number, primary account number (PAN), or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situations the card number is referred to as a bank card number. The card number is primarily a card ...

  5. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    The card security code is not encoded on the magnetic stripe but is printed flat. American Express cards have a four-digit code printed on the front side of the card above the number. Diners Club, Discover, JCB, Mastercard, and Visa credit and debit cards have a three-digit card security code. The code is the final group of numbers printed on ...

  6. What Do Credit Card Numbers Mean? - AOL

    www.aol.com/finance/credit-card-numbers-mean...

    A credit card number is the set of digits printed on either the front or back of a physical credit card. Credit card numbers are often 16 digits, but they can be as long as 19 digits or as short ...

  7. Secure Electronic Transaction - Wikipedia

    en.wikipedia.org/wiki/Secure_Electronic_Transaction

    Secure Electronic Transaction (SET) is a communications protocol standard for securing credit card transactions over networks, specifically, the Internet.SET was not itself a payment system, but rather a set of security protocols and formats that enabled users to employ the existing credit card payment infrastructure on an open network in a secure fashion.

  8. Visa Inc. - Wikipedia

    en.wikipedia.org/wiki/Visa_Inc.

    Visa Inc. (/ ˈ v iː z ə, ˈ v iː s ə /) is an American multinational payment card services corporation headquartered in San Francisco, California. [2] [5] It facilitates electronic funds transfers throughout the world, most commonly through Visa-branded credit cards, debit cards and prepaid cards.

  9. What is an Instant Use Credit Card and How Do They Work - AOL

    www.aol.com/finance/instant-credit-card...

    Instant credit card number: Credit card issuers offering instant approval typically give you a digital card number that you can use online or in your digital wallet. Sometimes this number matches ...