The "TwentyOne" protocol is a smart contract implementation of the classic blackjack card game, where users can wager 1 ETH to participate with a chance to double their money!
The contest is live. Earn rewards by submitting a finding.
This is your time to appeal against judgements on your submissions.
View preliminary resultsAppeals are being carefully reviewed by our judges.
The contest is complete and the rewards are being distributed.