| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a device and a method for deciding a game machine that is communicating with a game server.SOLUTION: A confirmation request is received from a game machine to confirm possibility of operation so that the game machine and the game server supply at least one game action to a player who is using the game machine by communication from the game machine to the game server. A sign is received from the game machine, and the sign is preserved. Based on reception of a request for searching the sign from a validation device and at least a part of the reception of the request from the validation device, the sign is sent to the validation device, and the validation device let a user of the validation device know the sign.</p> |
