Why this draw cannot be rigged

Go Shoot online ichiban kuji combines public randomness, an up-front commitment and after-the-fact verification, so that not even we can change the result.

1. Commitment before any draw

Before the box is sealed we publish a hash commitment — the answer goes into a safe and the key is public. Change anything afterwards and the commitment no longer matches.

2. Public randomness (drand)

The globally public drand randomness beacon decides where prizes land. Anyone can look it up and nobody can swap it.

3. Seed published once the box is finished

After every ticket is drawn we publish the seed. Anyone can combine seed + randomness + commitment, recompute, and check every prize position.

Public verification data for this set

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