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-v15773833e2ed2e3dc2e95c931c1353c15434f0b4884a7001e63fdec0b88579356995defeb176929f8aff39b3a52629031b2fe4c171bd1941ad27ce8fbee5c5884Check the seed in your browser: we hash the revealed seed with SHA-256 and compare it with the fingerprint published before the draw.
The 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/ebf20b11-5050-41ae-9d20-95763f33a263/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work