Fingerprint · locked when the raffle was created

4d86ea098d6ac3672b2631b5c92b2b95052435d195743953df8f5009100c7328

Seed

a18168e1b63c96fe99cb6f84f5d8c3de75290cb8aa9dcbb23211f8c79acbeec2

Draw steps

draw-1 · picked 5 from 22 entries

Check it yourself

This runs the whole draw again in your browser and compares the result. Nothing is sent anywhere.

How it works

When the raffle was created we picked a secret 32 byte seed and published its sha256 fingerprint above. Changing the seed later would change the fingerprint.

Each draw step sorts the entries by id, writes each one as id:tickets, and hashes the list. Random numbers come from sha256(seed:list hash:step label:counter), 52 bits at a time, and a pick lands on an entry in proportion to its tickets.

Once winners are announced the seed is published. The button above checks the fingerprint and re-runs every step. Rerolls are their own steps: the host chooses who to replace, the seed chooses who replaces them.