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  2. 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 (PCI ...

  3. Controlled payment number - Wikipedia

    en.wikipedia.org/wiki/Controlled_payment_number

    Controlled payment number. A controlled payment number, disposable credit card or virtual credit card is an alias for a credit card number, with a limited number of transactions, and an expiration date between two and twelve months from the issue date. This "alias" number is indistinguishable from an ordinary credit card number, and the user's ...

  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. Best Virtual Credit Cards for 2023 - AOL

    www.aol.com/best-virtual-credit-cards-2023...

    2. Citi® Diamond Preferred® Card is a popular choice of credit card for all users. It offers attractive rewards and doubles up as a great virtual credit card. Users get to avail a 0% intro APR ...

  6. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    A card security code (CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card. The CSC is used as a security feature for card not present transactions, where a personal identification number (PIN) cannot be manually entered by ...

  7. How To Open a Citibank Account - AOL

    www.aol.com/open-citibank-account-090000281.html

    To apply online, follow these steps: Go to the Citibank homepage. Click on “Open an account” in the top right. Select the account you would like to open. Fill out the necessary information ...

  8. Citi Diamond Preferred Card Offers $150 Statement Credit For ...

    www.aol.com/finance/citi-diamond-preferred-card...

    Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. ... The Citi Diamond Preferred card comes with all the benefits of other Citi credit cards, including ...

  9. AOL Mail

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.