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Methods and apparatus for electronically storing and retreiving value information on a portable card

  • US 20010016827A1
  • Filed: 04/27/2001
  • Published: 08/23/2001
  • Est. Priority Date: 11/03/1997
  • Status: Active Grant
First Claim
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1. An electronic value storage system, comprising:

  • a plurality of transportable solid-state media, each solid-state medium being adapted for the secure storage of information in a reference fingerprint, the information representing stored value; and

    a plurality of electronic read/write units, each read/write unit being adapted to store and retrieve data from ones of the solid-state media, the read/write units being further adapted to read and write authentication information from and to the solid-state media, the authentication information being resistant to duplication and serving to locally identify a solid-state device containing authentic stored value information without accessing a remote authentication unit.

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