CrashTop — the crash game, refined

Round #1 · Betting

Top win—

Playing0

Wagered0

Betting open 7.0s

Place a bet before the round starts

Bots are simulated · virtual credits

PlayerBetMultiplierPayout

RoundBetMultiplierResult

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Round#1

StatusBetting

Bust—

Elapsed0.00s

Chain—

Salt block—

Game hash (commitment)hidden

Epoch salt—

Chain terminal—

Server seed (revealed after bust)—

Place a bet

auto bet off

Amountbalance 10,000

bits

Auto cash out

x

Auto bet repeat the same stake every round

Profit if cashed at+100

Win chance49.5%

Session0

Rounds0

Best—

Provably fair

Every round is generated from a SHA-256 hash chain and an epoch salt. Verify any result yourself.

Round Actual bust Game hash

Epoch salt (hex)

Client seed (editable)

Recomputed bust Chain link Chain terminal hash

Show the exact algorithm

// 1. HMAC-SHA256, key = salt, message = game hash
h = HMAC_SHA256(salt, gameHash)

// 2. take the 52 most significant bits
r = parseInt(hex(h).slice(0, 13), 16)
X = r / 2**52          // uniform in [0,1)

// 3. apply the 1% house edge
X = 99 / (1 - X)
bust = max(1, floor(X) / 100)

// multiplier curve: doubles every 10 seconds
multiplier(t) = 2 ** (t / 10000)

Hash chain: hash[n] = SHA256(hash[n+1]). This demo keeps a 300-link chain per epoch and reveals the round hash after the bust, so the same formula can be replayed.