Fingerprint · locked when the raffle was created

e5704eae3699bf38013629272ed8960b120216a062574718a9735ad50e95d3e8

Seed

a7abe8960f933d51082970fd883195fe78905662e9045215dece28c12ad9cefb

Draw steps

draw-1 · picked 15 from 37 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.