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  2. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2] : 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  3. 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 (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 the ...

  4. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1] ), is a device which interfaces with payment cards to make electronic funds transfers. The terminal typically consists of a secure keypad ...

  5. BahnCard - Wikipedia

    en.wikipedia.org/wiki/BahnCard

    The credit card Bahncards were valid for a period of two years, and the regular card still for a period of one year. The validity of the cards was altered from the exact day to the end of a month. The new cards now also included a photograph of the customer. The DM 50 (€25) fee for replacement cards (in case of loss) was abolished, and a ...

  6. 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 U.S. Patent No. 2,950,048, granted on August 23, 1960.

  7. How to maximize your 0% APR credit card and avoid debt traps

    www.aol.com/finance/maximize-0-apr-credit-card...

    17. $150 BT fee, $12.23 in interest. Card with no intro APR offer. $5,000. $300. 20. $946 in interest. With the 0 percent APR credit card, you’d save $783.77, even with the 3 percent balance ...