Before bets open
The backend publishes a server seed hash for the round. That hash locks the result before anyone places a diamond bet.
Provably Fair
Crash results are committed before betting opens, then revealed after the round settles.
The backend publishes a server seed hash for the round. That hash locks the result before anyone places a diamond bet.
The server seed, client seed, nonce, and crash multiplier can be shown so players can recompute the round.
The house cannot wait for bets, pick a better crash point, and pretend it was always the result.