No two UUIDs will be the same. This is a great way to generate IDs that are guaranteed to be unique. Or if you need a value that is practically impossible to guess. I was surprised to see that as of ...

Generates RFC 4122 compliant UUIDs. Version 4 UUIDs (UUIDs from random numbers) and version 1 UUIDs (time-based UUIDs) are available. UUID object allows a variety of access to the UUID including ...