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-v1d4a230a6fc7c842f9073f05076e7d852d468490e7c04d5bf6bd9f979a06b7e95The 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/8c1c85bf-caac-43e0-9b44-b5cd0a022fd2/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work