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Merchant specific debit card verification system

DC
  • US 5,732,136 A
  • Filed: 04/09/1997
  • Issued: 03/24/1998
  • Est. Priority Date: 01/31/1995
  • Status: Expired due to Fees
First Claim
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1. A method of making a transaction, the method comprising the steps of:

  • a. providing a debit card having at least one ID information stored thereon;

    b. providing a terminal having at least one ID information stored thereon prior to the transaction wherein the ID information stored on the debit card relates to the ID information stored on the terminal in a predetermined manner;

    c. retrieving via the terminal the ID information stored on the debit card so as to provide a retrieved ID information;

    d. transmitting to a computer the retrieved ID information and the ID information stored on the terminal;

    e. matching via the computer the ID information stored on the terminal with the retrieved ID information; and

    f. transmitting via the computer a validation to the terminal.

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