| 摘要 |
PROBLEM TO BE SOLVED: To provide a trading card and a utilization system therefor in which the trading card can be preserved/managed even without carrying an actual card and one trading card is available only for one user.SOLUTION: Registration state information is stored in an IC chip of a trading card beforehand and when registration state information indicates an unregistered state, individual information can be read out of a portable terminal. When the registration state information indicates a registered state, individual information cannot be read out of the portable terminal. Therefore, the trading card is recovered by the portable terminal, such that a registered trading card can be prevented from being read by other persons. |
