| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To propose a public lottery sales system remarkably improving safety. <P>SOLUTION: A public lottery sales proxy server performing sales proxy of a public lottery stores a public lottery number issued from a public lottery sales server performing sales of the public lottery associatively with a user ID and a purchase password imparted from a communication terminal together with a public lottery purchase request. The public lottery sales server requests the public lottery sales proxy server to collate the user ID of a corresponding user read from the communication terminal by a terminal communication means and the purchase password inputted by the user, and executes payment processing for paying winning money of the public lottery to the user when a collation result wherein both the user ID and the purchase password accord is obtained. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
