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-v1b35e31a906f0a83a2046844ede464b3899459c8c4275c8f80c878f9f379bf446018b849d230e0c940a0ec6b32b2fcc4e924c0981ff1abb34cb928a9c6c66313cCheck 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/d9ccdd8b-bdfb-4c1c-9bae-aef7cab3a952/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work