Getting started with roblox crypt.generatebytes script

If you've been poking around Luau's security features lately, you've probably seen the roblox crypt.generatebytes script being mentioned as a way to handle random data. It is one of those functions that doesn't get a lot of spotlight compared to things like Instance.new or TweenService, but if you are building anything that requires a bit of security or truly unpredictable randomness, it's a tool you really want in your back pocket. ...

February 1, 2026 · 7 min · Priest Sison