Crash Fairness
Provably Fair is a system allowing players to verify that the site operates legitimately and doesn't tamper game results. It leverages cryptography and third party input to generate random values. At the end of the game, players can verify that the outcome was indeed determined by the original seed and inputs, thus proving that the game was fair.
import { createHmac } from "crypto";
const serverSeed = "REVEALED_SERVER_SEED";
const clientSeed = "REVEALED_CLIENT_SEED";
const saltedSeed = createHmac("sha256", serverSeed).update(clientSeed).digest("hex");
if (isDivisible(saltedSeed, 20)) return 1.00;
const h = parseInt(saltedSeed.slice(0, 13), 16);
const e = Math.pow(2, 52);
const crashPoint = Math.floor((100 * e - h) / (e - h)) / 100;
console.log("Crash Point:", crashPoint);
function isDivisible(hash, mod) {
return BigInt("0x" + hash) % BigInt(mod) === 0n;
}Recent Rounds
Game / Round
Server Seed
Public Seed
Multi
Welcome to Solpump. Play 100% fair on-chain Solana games like Crash, Coinflip and Futures. SolPump provides instant on-chain Solana deposits and Solana withdrawals. Earn $SOLPUMP by wagering Solana and be sure to claim our free rewards or join in our hourly Solana airdrops.
The user also attests that they are not a resident of or located at: USA, United Kingdom, France, Germany, Spain, Netherlands or any other blacklisted or restricted jurisdiction where gambling may be illegal. It is your responsibility to ensure that the use of the service is lawful in your country.
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Solpump is owned and operated by 3-102-932956 Ltd located at Calle 37 bis, Los Yoses, Montes, de Oca, San Jose, Costa Rica. Solpump is licensed and regulated by the Tuvalu Gaming Authority under license number GLN - 9301.
