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-v1769c3a80bca176a9963cd10908334746b5c396ec1a135a570e228eb6be57d9d860427e508440e73298d2982d9e7e8d1508bf846423b596641bb0af6baae2503fCheck 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/b3eddb93-ed42-4bfd-8182-0fc69797fc68/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work