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LIMBO PROVABLY FAIR VERIFIER

Recompute any Limbo multiplier from your revealed seeds and nonce and prove the round was fair — instantly, in your browser.

Enter Your Limbo Game Details

This page is pre-set to Limbo. All presets use the same open-source scheme: HMAC-SHA256(server seed, "clientSeed:nonce:cursor"). Stake and Shuffle are confirmed byte-for-byte; other casinos may differ — see the full verifier.

HMAC-SHA256 Hash
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Game Result

Calculation Breakdown

Limbo asks you to set a target multiplier; the game then reveals a random multiplier and you win if it meets or beats your target. The result is generated provably-fair from your seed pair, so every round can be recomputed and verified. Paste your revealed seeds to check any Limbo result.

HOW LIMBO RESULTS ARE CALCULATED

Limbo turns a single random float into a multiplier with a 1% house edge:

  1. Take the first float in [0,1) from HMAC-SHA256(serverSeed, "clientSeed:nonce:0").
  2. Compute n = floor(float × 1e8) + 1.
  3. Multiplier = floor( (1e8 / n × 0.99) × 100 ) / 100.

Worked example — server seed some server seed, client seed some client seed, nonce 1 gives float 0.59192619 → multiplier 1.67x.

WHY VERIFY LIMBO?

Provably fair only protects you if you actually check it. Verifying a Limbo round proves the result was computed from the server seed the casino committed to before your bet, combined with the client seed you chose — so the operator could not have altered the outcome after seeing your wager. Spot-checking even a handful of rounds keeps the system honest and removes any doubt during a losing streak.

Want the full picture? The all-games provably fair verifier handles Crash, Dice, Limbo, Roulette, Mines, Plinko and Keno in one place, and our guide on what provably fair gambling is explains the cryptography from the ground up.

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LIMBO VERIFIER FAQ

Both produce a random multiplier, but in Limbo you set your target before the round and there is no live climbing animation to cash out from — the multiplier is revealed instantly. The underlying math is a clean 1/float distribution with a 1% edge.
No. The server seed is hidden until you rotate it, so the multiplier cannot be known in advance. Avoid any "Limbo predictor" — it cannot work.
Stake-style Limbo can return very large multipliers (up to around 1,000,000x) because the result is 1e8 / n; small values of n produce huge multipliers, though with correspondingly tiny probability.
Verification proves the revealed multiplier truly came from the committed server seed and your client seed, so the casino could not have lowered it after seeing your target.