Raffle…
When this raffle was created, Tessera locked a secret seed and published only its fingerprint (sha256). After the winners are public the seed is revealed. If the seed matches the fingerprint and re-running the draw gives the same winners, nobody changed the result.
tessera-cr-v169aace662f5fe48b086378f87e278596bae893dc8fe6772ffa77b89aa4f5e419The open-source checker re-computes the seed fingerprint, the entry pool and the winner order from the public proof. It needs only Python 3.
git clone https://github.com/Hugg1337/raffle-platform cd raffle-platform python3 backend/scripts/verify_draw.py https://api.tesserapp.org/raffles/bde389b5-23c5-4508-a9cb-39a79e222483/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work