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Transaction processing system

  • US 20040030607A1
  • Filed: 06/30/2003
  • Published: 02/12/2004
  • Est. Priority Date: 07/10/2000
  • Status: Active Grant
First Claim
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1. A method of operating a transaction processing system enabling users to authorize transactions, raid system comprising at least a first data communications interface and a second data communications interface, comprising:

  • receiving transaction data, relating to a specific transaction to be authorized by a user, via a first data communication path, at said first data communications interface;

    conducting communications over a second data communication path, different to said first data communication path, with said user over said second data communications interface;

    using said second path, conducting a secure access procedure in which authentication data is received and said authentication data is verified;

    using said second path, receiving a transaction reference relating to said specific transaction from said user, said transaction reference not being previously transmitted to said user in said second communication path;

    using said second path, receiving confirmation from said user; and

    in response to said confirmation, transmitting an authorization signal to authorize said transaction.

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