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Logo Moneypot
Bet #67061808
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 2778522349
Server Secret 40a4b3f8295186a43dead640311aff0b5dd1eda045b6588537a9c3fcf7d71632
Server Salt ce2efbfa36af8cd28e9565d2442c0625efe37568c3ab458d059d773e15bb60e0
Server Hash c164ba843e3586844db960a377a3757b3cdacd32aaeb08aac28645c1100e1ebc
Raw Outcome 3966341890
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);