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-v16471b251d43da1c86a4f99b200e1856c0b71d431bea38afc84c6bc223e43e7b98b5536ef6592278f30f30690e392487a88f59b5a174bf00ec86f58f7224a49b0Check 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/7defbeb8-c51e-4042-a289-d4bf58c0ca9e/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work