发明名称 SYSTEM AND METHOD FOR IMPLEMENTING AN ADDITIONAL GAME TO PLAYERS OF A LOTTERY GAME
摘要 A system and method for providing an additional or end-of-game drawing to players of a lottery game is provided. In one embodiment, unique validation codes provided on lottery tickets can be encrypted using an algorithm and used to create a record of such encrypted codes. A player then participates in the lottery and subsequently submits the validation code from the ticket to a lottery provider. The lottery provider applies the algorithm to the submitted validation code to create another encryption code for comparison with the record of encrypted codes. In the event a match is found, the player is entered into a second-chance or end of game drawing. Upon entry, the player is no longer required to maintain possession of the ticket for subsequent validation. Comparing hash values or digests associated to a lottery ticket.
申请公布号 WO2008024742(A3) 申请公布日期 2008.06.19
申请号 WO2007US76370 申请日期 2007.08.21
申请人 SCIENTIFIC GAMES INTERNATIONAL, INC.;MARTINECK, JEFFREY, D.;BENNETT,JOSEPH, WALDO, III 发明人 MARTINECK, JEFFREY, D.;BENNETT,JOSEPH, WALDO, III
分类号 G07F17/32;G06F21/00;G07C15/00 主分类号 G07F17/32
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