Fingerprint · locked when the raffle was created

6f8e89b698618ef81c4a4718b9b6862fb4c0d3edc408233ddc851913e2a45386

Seed

857baeda390c44b2e71db5e40858240717e4c2fb898db66e1519b31dbcaeee90

Draw steps

draw-1 · picked 20 from 20 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.