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-v1b8e4d2c52120ba97b6895f85da4374f739f9d465421f3a6d78252e3742258d54The 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/3b5bb429-91e7-487d-a979-040b3a8d7201/draw-proof
Raw proof: draw-proof JSON · How provably fair draws work