How to Build a Spin Wheel That's Actually Fair (crypto.getRandomValues + Rejection Sampling)
This story is from 2026-10-17. It is preserved in the archive; the latest stories are on the live feed.
Every time someone runs a giveaway on a spin wheel , somebody in the comments says it was rigged. Usually it wasn't. But a surprising number of wheel implementations are slightly unfair, not on purpose, but because of two small mistakes that are easy to make in JavaScript. I build WheelySpin, a set…
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- 2026-10-17 08:01 · DEV Community — AI
How to Build a Spin Wheel That's Actually Fair (crypto.getRandomValues + Rejection Sampling)