| 摘要 |
PROBLEM TO BE SOLVED: To provide a game system capable of guaranteeing information related to a game value held by a player, while executing communication with high security.SOLUTION: The game system includes: an enclosed type Pachinko game machine 1; a game medium management device 2 for receiving a game card; a hall computer 3; and a third-party management server 4 communicably connected to the hall computer 3. The game medium management device 2 encrypts number-of-owned-ball information using a first encryption key and a second encryption key and transmits them to the hall computer 3. The hall computer 3 decrypts the first information using the first encryption key, transmits it to the third-party management server 4 and transfers the second information to the third-party management server 4. The third-party management server 4 decrypts the second information using the second encryption key and collates the first information after the decryption with the second information after the decryption. |
