Untraceable electronic cash

Details Untraceable electronic cash Untraceable electronic cash

H - Electricity

04

L

H04L 9/00 (2006.01) G06Q 20/00 (2006.01) G07F 7/10 (2006.01) G07F 19/00 (2006.01) G07G 1/14 (2006.01)

Patent

CA 2229206

An electronic cash protocol including the steps of using a one-way function f1(x) to generate an image f1(x1) from a preimage x1; sending the image f1(x1) in an unblinded form to a second party; and receiving from the second party a note including a digital signature, wherein the note represents a commitment by the second party to credit a predetermined amount of money to a first presenter of the preimage x1 to the second party.

Protocole de paiement électronique prévoyant les étapes consistant à utiliser une fonction univoque f¿1?(x) pour produire une image f¿1?(x¿1?) à partir d'une pré-image x¿1?; envoyer l'image f¿1?(x¿1?) sous forme demasquée à un deuxième partenaire; puis recevoir de ce deuxième partenaire une note incluant une signature numérique, dans des conditions telles que la note représente un engagement de la part de ce partenaire de créditer une certaine somme d'argent à celui qui lui a présenté initialement la pré-image x¿1?.

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