How to check manually provably fair games on bitcoin casinos :
1. Find a trusted third party hash calculator. https://www.tools4noobs.com/online_tools/hash/
2. Look for the Result and the Secret field form from the casino bitcoin game and paste the data into the input box on the third party calculator.
3. Select the SHA-256 as your algorithm and press hash this!.
4. The new hash that is generated on the hash calculator should exactly match with the hash that the casino showed you at the beginning of the game.
It’s just that simple. This proves that the game doesn´t cheat , at in the game , for example blackjack the initial deck of cards shown to you , was not changed in any way by the bitcoin casino during game play when you placed your bets or after you set your seed number in order to affect the game.
We reccommend to check https://www.bitstarz.com/provability-explained , a great form of explanation.