About (1), your uuid is random with a good math.random() and a sufficiently long string with high probability (using that as a technical term from theoretical c

About (1), your uuid is random with a good math.random() and a sufficiently long string with high probability (using that as a technical term from theoretical cs). So I assume that your gripe is that math.random() has bad implementations. Recall the article recently on how a deck of shuffled cards is unique in human history? Apply same logic.