Importance

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Abstract

Electronic payments are verified in an electronic payment system in which at each of multiple rounds there is a set of players V, such that a payment is valid if the payment is authenticated to be valid by a given majority of the players in V. Verifying the electronic payments includes having a player Vi in V receive authentication of multiple payments during one of the multiple rounds of the electronic payment system, having Vi determine which of the multiple payments are valid, having Vi authenticate a subset of the multiple payments that Vi determines valid to provide an authenticated payment record, and having Vi cause the authenticated payment record to become widely available to enable at least another entity to determine whether a given payment authenticated valid by Vi is authenticated to be valid by the given majority of the players in V.

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