That doesn't make any sense. There's no such thing as an adversarial collision for UUIDs. They're not hashes and don't have any security at all. If you want to

That doesn't make any sense. There's no such thing as an adversarial collision for UUIDs. They're not hashes and don't have any security at all. If you want to use someone else's UUID, you just can! > If you start reducing it to smaller slices of its entropy Which it doesn't, as has been explained in the comments already several times.