⚡ Bitcoin-Only. Provably Fair. Verified by Math.

Every 21Stacker draw uses the same cryptographic standard that secures Bitcoin — SHA-256.

We pre-commit a secret hash before entries open, then combine it with a future Bitcoin block hash to calculate the winner.

🧱 Transparent. Trustless. Impossible to fake.

This is what provably fair looks like.

🎯 Answer the question.

⚡ Pay in sats.

🏆 Win Bitcoin.