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  2. 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.

  3. Verifone - Wikipedia

    en.wikipedia.org/wiki/Verifone

    These products include color graphic displays, interfaces, ECR compatibility, key pads, signature capture functionality, and other features that serve customers in a multi-lane retail environment. The company's “MX solutions” [ 53 ] also feature a modular hardware architecture that allows merchants to introduce capabilities, such as ...

  4. Derived unique key per transaction - Wikipedia

    en.wikipedia.org/wiki/Derived_unique_key_per...

    Because of this, the entity managing the creation of the DUKPT devices (typically a merchant acquirer) is free to subdivide the 59 bits according to their preference. The industry practice is to designate the partitioning as a series of three digits, indicating the number of hex digits used in each part: the Key Set ID, the TRSM ID, and the ...

  5. EMV - Wikipedia

    en.wikipedia.org/wiki/EMV

    Using the signature on the card as a verification method has a number of security flaws, the most obvious being the relative ease with which cards may go missing before their legitimate owners can sign them. Another involves the erasure and replacement of legitimate signature, and yet another involves the forgery of the correct signature.

  6. PIN pad - Wikipedia

    en.wikipedia.org/wiki/PIN_pad

    A PIN pad or PIN entry device is an electronic device used in a debit, credit or smart card-based transaction to accept and encrypt the cardholder's personal identification number (PIN). PIN pads are normally used with payment terminals , automated teller machines or integrated point of sale devices in which an electronic cash register is ...

  7. Add, edit, or disable your signature in AOL Mail

    help.aol.com/articles/add-edit-or-disable-your...

    Create a personalized email signature to automatically add to each outgoing email. This feature ensures all your AOL messages maintain a consistent, professional look with minimal effort. 1. Click the Settings Menu icon | select More Settings. 2. Click Writing email. 3. Click the Toggle button to enable or disable a signature for your email ...

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