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Digital receipt for a transaction

  • US 20020161721A1
  • Filed: 07/17/2001
  • Published: 10/31/2002
  • Est. Priority Date: 07/28/2000
  • Status: Active Grant
First Claim
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1. A computer readable medium for serving as a record of an occurrence of a transaction, the computer readable medium storing:

  • a digital receipt of the transaction suitable for display to humans, the digital receipt comprising;

    a description of the transaction in a format understandable by humans;

    tamper-proof evidence of the occurrence of the transaction; and

    a verification prompt for verifying the tamper-proof evidence without requiring further human interaction to identify the tamper-proof evidence.

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