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SYSTEM AND METHOD USING INFORMATION BASED INDICIA FOR SECURING AND AUTHENTICATING TRANSACTIONS

  • US 20070083753A1
  • Filed: 09/15/2006
  • Published: 04/12/2007
  • Est. Priority Date: 08/04/2000
  • Status: Active Grant
First Claim
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1. A method for authenticating an information-based indicium, the method comprising:

  • receiving an article bearing a first identifier, wherein the first identifier substantially prevents a single user from accumulating multiple articles bearing the same first identifier;

    receiving a first digital certificate that is derived in part by encoding the first identifier; and

    comparing the first digital certificate and the first identifier to authenticate the information-based indicium.

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