Patent ID: 7366699
Filing Date: 2008-04-29
Classification: G06Q,G07F,Y10S

Abstract:
1. An electronic money system comprising: an information card for storing electronic money data and utilization-history data relating to deposits or withdrawals of electronic money and utilization of the information card wherein the utilization-history data includes key version information; a plurality of money depositing terminals for depositing the money data onto the information card; a plurality of electronic money terminals for withdrawing the money data from the information card, each of the electronic money terminals operatively reading the utilization-history data when said electronic money data is withdrawn from the information card for authorization for withdrawing the money data; and electronic money management means for gathering the utilization-history data from the electronic money terminals wherein the utilization-history data from each of the said plurality of electronic money terminals is processed within a specific electronic money terminal; wherein, the gathering of the utilization-history data by the electronic money management means occurs independently of the reading of the utilization-history data and withdrawal of the electronic money data by the electronic money terminals, wherein the electronic money management means compares a first set of utilization-history data gathered from a first electronic money terminal with a second set of utilization-history data gathered from a second electronic money terminal, and wherein the first set of utilization-history data includes first data for a first transaction between the first electronic money terminal and the information card and the second set of utilization-history data includes second data for a second transaction between the second electronic money terminal and the information card.