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Consumer authentication system and method

  • US 10,089,624 B2
  • Filed: 01/17/2012
  • Issued: 10/02/2018
  • Est. Priority Date: 06/19/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a transaction amount and an account number associated with a portable consumer device;

    initiating an authorization request message for a transaction, wherein the authorization request message comprises the transaction amount and the account number;

    sending the authorization request message to an issuer associated with the portable consumer device, the transaction amount added to payment transaction history of a consumer associated with the account number;

    receiving a challenge message, wherein the challenge message is dynamic and wherein the consumer'"'"'s payment transaction history is used to create the challenge message;

    initiating a challenge response message, wherein the challenge response message is responsive to the challenge message; and

    receiving an authorization response message, wherein the authorization response message indicates whether or not the transaction is authorized by the issuer associated with the portable consumer device.

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