| 摘要 |
When seller identification information and deal information presented by a seller are read in by a sensor, and authentication information is read in by an authentication information read-in device, a mobile terminal transmits the information and the purchaser information to a settlement computer. The settlement computer authenticates by the purchaser information and the authentication information, and if succeeding in authenticating, the settlement computer carries out the settlement, and transmits a settlement completion notice to the mobile terminal and the seller's apparatus.
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