I've used 128 secure-random bits for ages, not caring for any of the UUID version nonsense. Per the birthday paradox, I need to have 2*64 entries in my tables t

I've used 128 secure-random bits for ages, not caring for any of the UUID version nonsense. Per the birthday paradox, I need to have 2*64 entries in my tables to reach 50% collision probability, and it will be a while before I can afford that much storage anyhow.