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Rollbit X-Crash

Enter the random value or VRF proof from your bet's fairness details; the result is recomputed here with Rollbit's own published algorithm and every step is shown. Everything runs in your browser and nothing is sent anywhere.

VRF proofpublished output

Inputsfrom your bet's fairness details

The round's random value from rollbit.com/provably-fair.
Optional; with the request, proves the random value came from Rollbit’s key.
userId|rollbit:game|nonce|seed, as listed beside the proof.
0.05 in Rollbit's published code.
Rollbit lists X-Crash at 98% RTP elsewhere, but the outcome code on its provably fair page uses a 5% edge. The page's code is the default here.
Everything runs in your browser. Seeds and hashes are never sent anywhere; shared links keep them in the fragment after #, which browsers do not send to servers.

Where this comes fromalgorithm, test vectors, notes

AlgorithmRollbit's own description or verifier: rollbit.com. Scheme: VRF.
Test vectors: published outputThe page's VRF example (round 4,894,823) verifies; its outcome, 1.19x, and the sample randomness's 2.5x come from running the page's Python. Source: rollbit.com.
NotesRollbit lists X-Crash at 98% RTP elsewhere, but its published outcome code uses a 5% edge; the edge is an input.
No result yetFill in the fields from your Rollbit bet and press Verify, or load the example to see the verifier agree with the casino’s own output.