🔒 Provably Fair Verifier

Verify every game result mathematically. Enter the Server Seed, Client Seed and Nonce — you can calculate the result yourself and compare it with the actual outcome.

🔑

Server Seed

Only visible after rotation. Hash is shown beforehand.

🎲

Client Seed

Your own seed. Can be changed anytime in Settings.

🔢

Nonce

Increments with every bet. Same seed, different result.

SERVER SEED (visible after rotation)

SERVER SEED HASH (optional, zum Cross-Check)

CLIENT SEED

NONCE

GAME

PARAMETER:

Target:

🧮 Formula

HMAC MessageclientSeed + ":" + nonce + ":" + cursor

HMAC-SHA256HMAC(serverSeed, message)

Float [0,1)parseInt(hmac.slice(0,8), 16) / 0x100000000

House Edge Biasbiased = float + 0.04 × (1 - float) — applied before the result below

Dice (under)biasedFloat × 100 → compare with target

Dice (over)(1 - biased(1-float)) × 100 → compare with target

CoinflipbiasedFloat < 0.5 ? heads : tails

Limbo / Crash1 / (1 - biased(1-float)) × 0.99