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  2. Authorization hold - Wikipedia

    en.wikipedia.org/wiki/Authorization_hold

    Authorization hold (also card authorization, preauthorization, or preauth) is a service offered by credit and debit card providers whereby the provider puts a hold of the amount approved by the cardholder, reducing the balance of available funds until the merchant clears the transaction (also called settlement), after the transaction is completed or aborted, or because the hold expires.

  3. ISO 8583 - Wikipedia

    en.wikipedia.org/wiki/ISO_8583

    A card-based transaction typically travels from a transaction-acquiring device, such as a point-of-sale terminal (POS) or an automated teller machine (ATM), through a series of networks, to a card issuing system for authorization against the card holder's account. The transaction data contains information derived from the card (e.g., the card ...

  4. Credit card - Wikipedia

    en.wikipedia.org/wiki/Credit_card

    A credit card register is a transaction register used to ensure the increasing balance owed from using a credit card is enough below the credit limit to deal with authorization holds and payments not yet received by the bank and to easily look up past transactions for reconciliation and budgeting.

  5. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    PAX Technology S90 credit card terminal with a Visa card inserted.. 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.

  6. 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 ...

  7. Online authorisation - Wikipedia

    en.wikipedia.org/wiki/Online_authorisation

    Online Authorization (OLA) is a system used to verify a transaction on a payment card (e.g. credit card). [1] The term 'on-line' refers to the real-time nature of the verification. In other words, if the account is overdrawn, in most cases, the transaction will be refused.

  8. Tokenization (data security) - Wikipedia

    en.wikipedia.org/wiki/Tokenization_(data_security)

    When a payment card authorization request is made to verify the legitimacy of a transaction, a token might be returned to the merchant instead of the card number, along with the authorization code for the transaction. The token is stored in the receiving system while the actual cardholder data is mapped to the token in a secure tokenization system.

  9. Strong customer authentication - Wikipedia

    en.wikipedia.org/wiki/Strong_customer_authentication

    Physical card transactions already commonly have what could be termed strong customer authentication in the EU (Chip and PIN), but this has not generally been true for Internet transactions across the EU prior to the implementation of the requirement, [1] and many contactless card payments do not use a second authentication factor.

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