Provably fair n=0

Every round's outcome is determined by HMAC-SHA256(serverSeed, clientSeed:nonce). The server seed is committed (hashed and shown) before each round and revealed when you rotate.

How verification works
  1. Before each round, the server seed is hashed (SHA-256) and shown — that's a binding commitment.
  2. The outcome of every round is HMAC-SHA256(serverSeed, clientSeed:nonce) interpreted per game rules.
  3. When you rotate, the previous server seed is revealed. Hash it yourself — it must match the prior commitment. Then replay any past nonce to verify the outcome.

Free practice · no real money

Wheel

Balance1,000
Round0
Last
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      How wheel works

      The wheel is split into equal segments, each with a fixed multiplier. A provably-fair random index picks the winning segment.

      Every risk/segment table sums to 99% of stakes returned — the 1% house edge. High risk has a single jackpot segment paying 0.99 × segments.