Banking system equipped with a radio linked portable terminal

Abstract

In order to provide a banking system having an IC card available anytime anywhere with no risk of the security information plagiary because of the missing IC card, no complexity of the IC card usage, nor problem of the discharged battery, a banking system of the present invention comprises radio communication means to be connected to a center terminal (5) of a financial organization (4) by way of a radio communication network for drawing an amount from and depositing an amount to a bank account in the financial organization (4), the bank account being identified by a bank password. The radio communication means includes a radio linked portable terminal (1) and an IC card (2) to be connected to the radio linked portable terminal, the IC card comprising a memory for storing information of an available amount reserved for the IC card (2) and a processor for adding an amount drawn from the bank account to the available amount and subtracting an amount to be deposited to the bank account from the available amount.