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Open Games
(0)1 playing nowHow It Works
Create or Join
Create a game with your wager and choice, or join an existing game.
Coin Flip
Once matched, a provably fair HMAC-SHA256 draw determines the outcome.
Win 1.96x
Winner takes the pot, minus a 4% jackpot-pool contribution. For Fun event games pay the full 2x.
About Crypto Coin Flip
AlgoRoll Coin Flip is a provably fair 50/50 crypto game with a 1.96x payout on every win (4% of the pot funds the jackpot pools). Play PvP against other players or instantly against the house in Bot Mode. Both players' wagers are secured, and the outcome is determined by a provably fair HMAC-SHA256 commit-reveal scheme, making manipulation impossible.
Provably Fair Verification
Each coin flip result is generated using HMAC-SHA256 with a server seed committed to the Algorand blockchain before play. The server seed is revealed on-chain after the flip, so any participant can independently verify the result. In PvP mode, wagers are locked before the flip, ensuring neither player nor the platform can influence the outcome.