Method for disaggregating customer data in online...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction

Reexamination Certificate

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Details

C705S064000, C705S075000

Reexamination Certificate

active

07117182

ABSTRACT:
A method for carrying out multi-party transactions in which at least one party or user has information which he considers private, the method comprising: a first determining step, in which it is determined which parties will take part in the transaction; a second determining step, in which it is determined, for each party taking part in the transaction, what information about the user that party requires in order to complete the corresponding part of the transaction; a selecting step, which may occur before or after the determining steps, in which one or more nonces, GUIDs, or other tokens are selected, to represent the user in the course of the transaction; a providing step, in which each party determined in the first determining step is provided with information comprising the corresponding information about the user determined in the second determining step, and one or more of the nonces, GUIDs, or other tokens selected in the selecting step; an execution step, in which the parties to the transaction complete the transaction, using the information about the user that they have been given, and the one or more nonces, GUIDs, or other tokens, to determine and communicate the details of the fulfillment while minimizing the amount of unneeded private information that is transmitted or otherwise exposed.

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