| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a prize exchange system in which a player can exchange an electronic value granted to the player for a product in an Internet mail order site by causing a third part to purchase a mail order prize exchange ticket issued in compensation for a game medium.SOLUTION: In a prize exchange system 4001, a mail order prize ticket issuing server 4200 that has received a shop code and game medium value information from an exchange ticket issuing device 4150 determines an exchange ticket ID and sends it to the exchange ticket issuing device 4150. The exchange ticket issuing device 4150 prints the received exchange ticket ID and issues a mail order prize exchange ticket 4260. The player sends purchase request information including the exchange ticket ID printed on the mail order prize exchange ticket 4260 to a mail order prize purchase server 4210 through a smartphone. In consequence, the electronic value of the exchange ticket ID is added as an electronic value for the player to use for the prize exchange.</p> |
