Provably Fair

    Every game result is calculated from three inputs. After each round you can see all three and recalculate the result yourself.

    How the result is calculated

    Each result comes from a server seed (random, generated by us, its hash shown before you play), your client seed (you can change it anytime) and a nonce (goes up by one every round).

    HMAC_SHA256(key = server_seed, message = client_seed + ":" + nonce)

    The first bytes of the hash become the result, for example a dice roll from 0 to 100. After each round the server seed is revealed and replaced with a new one.

    Crash works per round: all players share one server seed. Its hash is published before the round starts, and the seed is revealed when the round ends.

    How to verify a result

    1. 1

      Open the round's details and copy its server seed, client seed and nonce.

    2. 2

      Check that the SHA-256 hash of the server seed matches the hash you were shown before the round.

    3. 3

      Enter the values in the verifier above. It recalculates the result in your browser, and it should match the result you got.