Deal

Standout games Mechanics For a game built with the builder, open the verifier from the game itself — the link carries its config so the round replays against the right levers.

This game runs on the shared Deal mechanic. Enter the server seed, client seed and nonce your game revealed for a past round and the outcome is re-derived here by the same Rust that produced it, compiled to WebAssembly — not by a second implementation that could disagree with the game.

Deal rounds are played over several actions. The seeds alone fix the board — where the hazards are, what order the cards come in — which is the part decided before you touched anything. Reproducing your stake and payout as well needs the round's actions, which the “Verify this round” link in the game carries for you.

Commitment

Does the revealed seed hash to the hash you were shown before the round? This is the cryptographic claim, and it runs in your browser — nothing here depends on trusting our code.

SHA-256(server seed)

Verdict

Replayed outcome

Everything the server reported for this round

Draw trace

Every random number this round consumed, in order, exactly as the mechanic asked for it. You can reproduce this stream yourself — it is base = HMAC-SHA256(serverSeed, "clientSeed:nonce"), then output(i) = SHA-256(base ‖ uint32BE(i)). That is what makes the replay checkable rather than something you have to take on faith.

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