Lottery / Gambling Contracts
Games of chance: coin flips, dice, wagers, lotteries, chain letters and pyramid schemes from Ethereum's earliest days.
SerpentGamble
Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0x3fb587...bb9815September 23, 2015SerpentGamble
Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0x87e8c8...90c060September 23, 2015SerpentGamble
Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0xd9b49b...30f6a9September 23, 2015SerpentGamble
The full serpent_gamble provably-fair betting dapp: bettors pick their own odds, the owner settles rounds via a commit-reveal seed, with an emergency refund.
0x593758...55b7d0September 23, 2015SerpentGamble
Sibling of 0x59375871 (SerpentGamble). The full serpent_gamble provably-fair betting dapp from ethereum/dapp-bin.
0x64f2e2...dabceeSeptember 24, 2015SerpentGamble
Sibling of 0x59375871 (SerpentGamble). The full serpent_gamble provably-fair betting dapp from ethereum/dapp-bin. This deployment later self-destructed.
0xd7993a...ad9a70September 26, 2015TheLuckyOne
On-chain lottery from October 2015. Players buy tickets (1-25+ ETH with bulk discounts) in rounds of 1,000. Winners selected via combined server seed, client en
0x2adfc2...d22f20September 30, 2015FinneyDonationGamble
A gambling contract where players bet at least 1 finney for a chance to win 10% of the balance. Wins also donate to the Ethereum Foundation.
0x233820...46d3f6January 24, 2016WLBDrawsDB
The draw results database for the WeeklyLotteryB lottery, storing each draw's date, numbers and prize tallies.
0x564ab4...c25ffbJuly 15, 2016