Crash Validator The game uses a forward-only hash chain for round randomness and publishes a commitment before each round that cannot reveal future outcomes. After a round finishes, its hash and multiplier are revealed so anyone can verify: There are multiple ways to prove fairness of your bets.
Multiplier from H_i (Server Hash)

Formula (RTP 99%): take the first 13 hex chars (52 bits) as an integer x, r = x / 2^52, multiplier m = max(1, (1 - 0.01) / (1 - r)).

Compare Hashes

We compute blake2s256(H_i) and compare it to your Commitment Hash, which was provided as soon as you placed your bet before the round starts.