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Value holding system, value holding method, value holding program, and transaction system

  • US 20040238624A1
  • Filed: 05/11/2004
  • Published: 12/02/2004
  • Est. Priority Date: 05/13/2003
  • Status: Active Grant
First Claim
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1. A value holding system, comprising:

  • a receiving unit operable to receive an instruction to add or remove a value relating to a payment;

    a judging unit operable to judge whether the instruction is identical with an instruction that has been previously received; and

    a rejecting unit operable to reject the instruction when judged that the instruction is identical with the previous instruction.

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