Efficient electronic money

Details Efficient electronic money Efficient electronic money

H - Electricity

04

L

H04L 9/30 (2006.01) G06Q 20/00 (2006.01) G07F 7/08 (2006.01) G07F 19/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2182173

A unique electronic cash (14) system protects the privacy of users (12) in legitimate transactions while at the same time enabling the detection (32) of a double spender of the same electronic coin (14). The electronic cash system takes advantage of a unique property of El Gamal signatures to achieve these results.

Un système spécial de paiement électronique assure aux utilisateurs (12), en cas de transactions légitimes, la confidentialité des opérations effectuées tout en permettant de détecter (32) une personne qui utilise deux fois la même pièce (14) de monnaie électronique. Ce système de paiement électronique tire parti d'une propriété exceptionnelle des signatures El Gamal pour parvenir à de tels résultats.

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