Random Numbers for Games, Giveaways, and Sampling
2026-05-14
Seeds, ranges, uniqueness, and when browser randomness is good enough versus when you need crypto.
Define whether duplicates are allowed before you drawβbirthday collisions surprise small ranges faster than intuition says.
For security tokens or lottery-style fairness, use cryptographically secure randomness, not simple PRNG toys.
Document your range as inclusive or exclusive so audits and replays match expectations.
Export or screenshot results for public draws when accountability matters.