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Logo Moneypot
Bet #67061798
General
User seek
App Provably.io
Kind Simple_dice
Coin BTC
Wager 400.00 bits
Placed
Profits
User Profit 400.00 bits
Investor Profit -400.9000000078 bits
App Profit 0.9000000078 bits
MoneyPot Profit 0.0000000000 bits
House Edge 0.90%
Total Expected Value -360.00000313 bits
Provably Fair
Client Seed 2060216694
Server Secret a29aac8d64b3d66cb97f53f8b95967bf3ad6bcbf15a13f32496f2dc7ed77a24b
Server Salt ca9a0e92568700bf7d5bc303a081a9c30cd6722f5e0d1e62cbbbed17e4cc4b9b
Server Hash c2a2ad5124a62d353c91c690d277fc3e02213eca3ec274bad99b9ff5ea2c087f
Raw Outcome 2971703547
Method SHA-256
Payouts
From To Value Probability Expected Value
2166811001 4294967296 800.00 bits 49.5500% 396.39999997
Provably Fair Outcome

MoneyPot uses a Provably Fair algorithm that calculates raw outcomes from generated SHA-256 hashes. The Bet Hash is generated from the resulting hash of two unique hashes, the Server Seed and the Server Salt. The Server Seed and the Server Salt are both unique 64 character strings.

The Raw Outcome is based on a combination of the Server Seed and the Client Seed. After both are hashed together with SHA-256, we trim the resulting hash of the two to the first eight characters and then converted to an integer using Base16.

PHP 7
$outcome = intval(substr(hash('sha256', $serverSeed . $clientSeed), 0, 8), 16);

Javascript (cryptocoinjs / sha256)

var output = Number.parseInt(sha256(serverSeed + clientSeed).slice(0, 8), 16);