In Dice, you choose a number and bet on whether or not the game will roll a number higher or lower than the one you’ve selected. The multiplier is determined by the odds of the outcome you’ve bet on. The game multiplies the number you chose by 100 to account for decimals, then generates a number between 0-9,999 using the logic below. The number you bet on is then compared to the number generated, determining whether you won or not. Below is the PHP logic that powers this process, followed by an explanation of how each part ensures fairness.<pre data-language="plain">//php
$hash_seed = hash('sha256', $server_seed . ':' . $client_seed . ':' . $nonce);
$roll_result_number = hexdec(substr($hash_seed, 0, 13)) % 10000;
$roll_convert = $user_roll * 100;

if($user_roll_direction) {
 if($roll_convert &lt; $roll_result_number) {
 $roll_result = true;
 } else {
 $roll_result = false;
 }
} else {
 if($roll_convert &gt; $roll_result_number) {
 $roll_result = true;
 } else {
 $roll_result = false;
 }
}
</pre>The process starts by generating a "hash seed" that combines three key elements: the server's hidden seed, the player’s client seed, and a nonce (a unique counter for each game round). This combined seed is hashed using SHA-256, which produces a secure, randomized string of characters, like a1c2b3d4e5f6…. The code then extracts the first 13 characters from this hashed string, converts them into a number, and calculates the roll result by taking that number modulo 10,000.For example, if the hashed seed starts with a1c2b3d4e5f6g7…, the first 13 characters (a1c2b3d4e5f6g) are converted to a decimal number and then reduced modulo 10,000 to give a random roll result within the 0 to 9,999 range.Next, the code multiplies the player’s chosen target by 100 (to handle decimals) and compares this adjusted target to the generated roll result. If you predicted that the roll would be higher and the roll result is indeed higher than your target, you win; if it’s lower, you lose. Conversely, if you predicted lower, you win if the roll result is below your target and lose if it’s higher.This entire setup makes the game fair and verifiable. Each outcome is driven by the hashed seed, which is transparent to players so they can confirm that each roll is genuinely random and unaffected by outside influence.

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