Demo 0

CrashPad

One rocket. Everyone aboard. Cash out before it crashes.

99% RTPShared roundsUp to 1000×Hash-chain fair
Connecting…
1.00×
Connecting to the round…

How it works

Everyone connected rides the same rocket. During the short betting window you place a stake. Then the multiplier climbs from 1.00×. Cash out at any moment to lock in stake × multiplier. If the rocket crashes before you cash out, the stake is lost. Each round's crash point is fixed in advance by a public hash chain, and nobody can change it once the round starts.

1

Try it with demo chips, or sign in with your wallet (a text signature, never a transaction) and claim daily chips.

2

Set a stake and, if you like, an auto cash-out target. Bets are only taken in the betting window.

3

Watch it climb. Press Cash out (or space) before it crashes. Auto cash-out pays exactly your target.

4

Every revealed round hash checks out against the chain commitment and the Solana block salt below.

Cash-out targetChance the rocket reaches itPayout on 100 chipsReturn

The chance of reaching m× is exactly 0.99 / m, so every strategy returns 99% on average (house edge 1%). About 2 rounds in 100 end at 1.00× straight away. The rocket stops at 1000×, and anyone still aboard is paid 1000×. Holder win bonuses (+2/+5/+10% of profit) come on top for holders.

Holder perks

Sign in with your wallet to keep chips, claim daily chips and appear on the leaderboard. Holding the project's coin unlocks bigger daily chips, a small bonus on wins and the holders' table.

Daily chips reset at 00:00 UTC. Claiming on consecutive days adds a streak bonus (+10% per day, up to +50%). The holder tier is read from your wallet's token balance on Solana at sign-in and every 10 minutes. Perks are bonus play only: chips have no cash value.

Provably fair

Every result is decided on the server from seeds you can check. Before you play you see the SHA-256 hash of the server seed. Each play uses HMAC-SHA256(serverSeed, clientSeed:nonce), and the game's mapping below turns those bytes into the result. When you rotate, the old server seed is revealed, so you can re-run every past result yourself.

Your seeds

Sign in to get your own seed pair. Demo plays use a local seed in your browser.

Verify a result

Paste a revealed server seed, the client seed and the nonce. The result is recomputed in your browser.

Leaderboard

Net chips won from play (payouts minus stakes; holder bonus not counted, so every tier competes equally) by signed-in wallets. Real recorded plays only. Demo chips never count. The week runs Monday to Sunday, UTC.

#WalletTierNet chipsPlaysWagered

Responsible play

  • There is nothing to buy here, and nothing you win here can be cashed out.
  • Take breaks. Results are random, and the house edge stated on this page applies to every play.
  • If gambling ever stops being fun for you or someone you know, free confidential help is available, for example from BeGambleAware.org (UK) or 1-800-GAMBLER (US).

Round fairness: hash chain + Solana salt

Chain
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Commitment
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Salt
pending
Salt source
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  1. Before any round, the server makes a secret seed h₀ and hashes it over and over: hᵢ = sha256(hᵢ₋₁) (each hash as a 64-character hex string), up to h_LEN. That last hash is published above as the commitment.
  2. The salt is the blockhash of the first Solana block at or after commit slot + 150. That block did not exist when the commitment was published, so the chain could not be picked to suit the house.
  3. Round k uses h_(LEN−k), so the chain is played backwards. Once a round ends, its hash is revealed. Hashing it once gives the previous round's hash, and hashing it k times gives the commitment.
  4. Crash point: hmac = HMAC_SHA256(key = roundHash, msg = salt), X = first 13 hex digits / 2^52, point = max(1.00, floor(99 / (1 − X)) / 100), capped at 1000×.
Tap any round in the history strip, or paste a revealed round hash.