Round lookup

Trace a single Acebet round — every HMAC, hash and RNG draw, from seeds to final outcome.

Game

Seeds

Server seed (revealed)hex from Acebet

Client seed

Saved locally in this browser — auto-filled next visit.

Nonce

Round nonce

A single round will be traced step-by-step.

Algorithm: Acebet's exact formula: HMAC-SHA256(key=CRASH_CLIENT_SEED, message=roundSeed) → take first 13 hex (52 bits) → crash = floor((100·2⁵²−h)/(2⁵²−h))/100. Round seed = HMAC(serverSeed, clientSeed:nonce).

Your bet

Optional — used for win/loss & payout on the traced round.

Your bet

Auto cash-out multiplier

Cash-out at (×)

Enter your seeds & nonce, then hit Look up nonce.

You'll see the full calculation chain from seed to outcome.