1
commit
First commitment
On-chain message announces the draw and its rule, timestamped.
Verify a draw
FOLLOW THE DRAW
FROM COMMITMENT TO CARD.
The only thing we control is when we launch the procedure. Every value used after that is public and fixed in sequence.
2
random
Randomness #1
A later block picks the snapshot moment. We can't control it.
3
process
Participant list
Holders are listed from public data at that moment.
4
commit
Second commitment
List hash and future block committed. No one knows the winner yet.
5
random
Randomness #2
~1 minute later, a public calculation derives the winner.
6
process
Card sent
The card NFT goes to the winning wallet.
Why we can't cheat
Every draw points to the one before it, forming a continuous on-chain chain. A discarded draw leaves a visible gap. A re-run creates two branches. The verification script detects both.
Verify it yourself
The verification code is public. Read it, check it, or have someone you trust review it.
View the code on GitHubView on GitHubNo account, no key, no sign-up needed to read it.