Provably fair calculator
Recompute any round in your browser from its seeds and nonce.
Sign in to see and change your seeds.
Waiting for reveal.The server seed stays secret until you rotate your seed. Rotate it to reveal and verify these rounds.
HMAC_SHA256(server_seed, client_seed:nonce:cursor)
How it works
We hash the server seed and show it to you before the round. Your client seed and a nonce that grows with every bet are mixed in. After rotating seeds the old server seed is revealed, so you can recompute every past outcome yourself.