Giveaways
Every giveaway we run, the public random value committed to decide it, and a way to check each draw for yourself.
We name the exact drand round that will decide a giveaway when we create it, before entries close and while that round still does not exist. When entries close we publish the full entrant list and its fingerprint. Because the list is fixed before the randomness exists, and the randomness cannot be influenced by anyone, the result cannot be steered towards or away from anybody. After each draw we publish everything needed to recompute the result.