winning ticket odds are not distributed equally amongst users

Lines of code Vulnerability details Impact some users will be able to game the system and get optimal odds of winning both jackpot and non jackpot rewards. Making the entire protocol unfair for users. Proof of Concept The way Wenwin is intended to function is every combination has equal odds of...

Ticket: Owner of winning ticket can frontrun secondary sales

Lines of code Vulnerability details The Wenwin docs note that tickets "can be traded on the secondary market before or after the draw," since they are standard ERC721 tokens. After a ticket draw, the owner of a winning ticket may call LotteryclaimWinningTickets, which transfers lottery winnings t...