HOW IT WORKS

THE LOOP

1. Launch. The coin is created on pump.fun with its own Vault Pad account as creator. Each creator-fee lamport splits 50% safe, 40% dev, 10% pad. The dev can seed the first safe (up to 10 SOL).
2. Lock. Before the safe takes any try, the keeper posts the hash of the code (sha256 of code, salt, coin, safe number). The safe arms once its pot reaches 0.05 SOL.
3. Try. A buy through the pad's router of at least max(0.02 SOL, 1% of the pot) is one try. Your 4 digits ride inside the buy and are written to the safe's log on chain. 0% router fee; wallets, bots and terminals can all call it.
4. Answer. The keeper answers every try in order: how many digits sit in the right place, 0 to 3. Never which ones. A 4 cannot be posted: the keeper must reveal the code instead.
5. Reveal and check. On a hit the keeper reveals the code and salt; the program checks them against the hash. Anyone then runs the check over the whole log: the program recomputes every hint and finds the earliest try that really matched, answered or not.
6. Open. The whole pot goes to that try's buyer, pushed to the wallet. No claim. The next safe starts with the code the keeper already committed.
7. Reshuffle. A safe that reaches 4096 tries or 7 days is revealed and gets a new code. The pot carries over.
8. Keeper silent. An unanswered try older than 1 h stalls the safe. After 72 h more without a reveal, the pot buys the coin back and burns it in chunks. Nobody gets it.