Provably fair: meaning in crash games
A cryptographic method that lets you check a game result wasn't changed after you bet. The game publishes a hash of a secret server seed before the round and reveals the seed afterwards, so you can recompute the result.
On this page
Why it matters
It’s the best way to confirm a game is fair before you commit to it.
In practice
To use it, note the hashed server seed before you play, then open the fairness panel after the round to see the revealed seed, client seeds and nonce. Our verifier can recompute hashes in the generic HMAC-SHA256 method; each game’s own formula is in its documentation.
Example
Hash the revealed server seed and check it matches the pre-round hash.
New to the format? Start with How Crash Games Work.