| 摘要 |
<p>A computer implementation method used for trading of an integrated circuit card (ICC) between a cardholder and a dealer is provided. Data (53) existing on the ICC are searched to determine an issuing bank currency. The issuing bank currency and a currency (55) used by the dealer are compared. If the currencies are different, the issuing bank currency is used to determine a trading sum (59), and for authorization (62, 63, 64).</p> |
