4 ms·UUIDs (two 'U') are random.by IAmEveryone 9y agoUUIDs (two 'U') are random.lvh 9y agoUUIDv4s are. The other kinds are deterministic. (And to be fair, quite rare ;))Promarged 9y agoTo be precise only v4 UUIDs are (pseudo-)random, and not the entire thing, there are some version bytes.