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Mechanism for enabling secure electronic transactions on the open internet

  • US 5,778,173 A
  • Filed: 06/12/1996
  • Issued: 07/07/1998
  • Est. Priority Date: 06/12/1996
  • Status: Expired due to Term
First Claim
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1. A method for performing a transaction initiated over an open communication network between a user and a remotely located server, comprising the steps of:

  • a. receiving a transaction identification number from the remotely located server over the open network;

    b. automatically discontinuing communication between said user and said remotely located server responsive to a request from said user to complete the transaction;

    c. automatically establishing communication between said user and a transaction server responsive to the request from said user to complete the transaction, said transaction server being operatively coupled to said user and said remotely located server over a communication network isolated from said open network contemporaneous with step (b) and substantially seamless to said user;

    d. transmitting said transaction identification number to said transaction server over said communication network;

    e. after the transaction server confirms validity of the transaction identification number, transmitting over said communication network, in response to a request from said transaction server, a transaction authorization number to said transaction server to complete the transaction.

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