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Logo Moneypot
Bet #67061803
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 315007222
Server Secret 1eb9d5e1b5ed2cbb0eaed8248e25678b4399b99230436714d59f28f41c89cb82
Server Salt 1486960e698d60b861d708a98e1863ca87fe28b6a1a12cb59c9391b63c662dd4
Server Hash fc2fb62026d239897b5559f7f26441a71a8a7fa20c4299bf3737dfc1bbf1b276
Raw Outcome 3786843809
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);