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  2. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    EMV stands for " Europay, Mastercard, and Visa ", the three companies that created the standard. Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure ...

  3. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    These codes are in slightly different places for different card issuers. The CSC for Visa, Mastercard, and Discover credit cards is a three-digit number on the back of the card, to the right of the signature box. The CSC for American Express is a four-digit code on the front of the card above the account number. See the figures to the right for ...

  4. Credit card fraud - Wikipedia

    en.wikipedia.org/wiki/Credit_card_fraud

    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 (PCI DSS) is the data security standard created to ...

  5. Why do businesses require a signature for credit card ... - AOL

    www.aol.com/finance/why-businesses-require...

    If signatures are required, cardholders sign a receipt after a purchase, and the merchant or retailer compares the signature on the receipt to an official signature on the back of the credit card.

  6. Contactless smart card - Wikipedia

    en.wikipedia.org/wiki/Contactless_smart_card

    Contactless smart card. A contactless smart card is a contactless credential whose dimensions are credit card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports. There are two broad categories of contactless ...

  7. How to Use a Credit Card to Finally Stay On Budget - AOL

    www.aol.com/finance/credit-card-finally-stay...

    For premium support please call: 800-290-4726 more ways to reach us

  8. Common Access Card - Wikipedia

    en.wikipedia.org/wiki/Common_Access_Card

    The common access card, also commonly referred to as the CAC, is the standard identification for active duty United States defense personnel. The card itself is a smart card about the size of a credit card. [1] Defense personnel that use the CAC include the Selected Reserve and National Guard, United States Department of Defense (DoD) civilian ...

  9. Accepted payment methods for AOL services - AOL Help

    help.aol.com/articles/payment-methods-available-CS41

    Accepted payment methods. Credit or debit cards. American Express. Visa (credit or debit) Discover (credit or debit) MasterCard (credit or debit) PayPal (for most online purchases) Direct debit is no longer available for active accounts, however, it can be used to pay past due balances, with a $7 fee.