How do you propose they do this, to disclose bonus calculation? I can only imagine so many factors involved in that calculation which made it ever changing.
you are right ,there are certainly many factors involved for sure.
However, as i said , talking about stake here, they have big fairness page where they explain the provably fair implementation as well have a calculator where u can verify results by entering hash,nonce etc.
I think you are taking it way too technical, its probably as simple as them calculating users PnL , the house edge amount his bets generated and his total wager.
Whatever it is, it certainly
cannot be more complicated then the provably fair games themselves
I am quite confident that yes, it is more complicated since it's individually calculated. Provably fair is just provably fair across everything, for everyone. One user won't have a more provably fair hash than any other user whereas someone's gambling habits will differ A LOT between all users.
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Hhampuz said some of what I wanted to say, quoted above, about how provably fair is limited.
Provably fair utilize limited factor, it's an absolute, "if this then win, if that then none" you win or you lose, hence a provably fair, it's this or that. Bonus utilize so many factors [even the provably fair itself is technically one of the factor being calculated into their equation], they constantly varies and change depending on the user's activity. One winning or one decision to switch from poker to blackjack to slot will bring different outcome.
I am quite sure I am not taking it way too technical, it is
that technical.
You can always prove me wrong though by providing simplest way to calculate users PnL, house edge, and total wager, in a day, where he probably played a lot of game, if you're sure it's that simple and not too technical. The illustration I mentioned earlier is still there, you're free to propose the formula that should be given by live support when that person in illustration asked for the exact formula of his daily bonus.