alt Hacker NewsIf you want 128 bits of randomness why not use 128 bits of randomness? A random UUID presupposes the random number has to fit in UUID format.
If you want 128 bits of randomness why not use 128 bits of randomness? A random UUID presupposes the random number has to fit in UUID format.
122 bits of randomness.
It's the same reason we use UTF-8. It's well supported. UUIDs are well supported by most languages and storage systems. You don't have to worry about endianness or serialization. It's not a thing you have to think about. It's already been solved and optimized.