Just to clarify, do you mean that UUIDv4 in general is worse, or just this 7->4 obfuscation?
I'm not saying anything about better or worse. I'm saying that UUID v4 by definition has high entropy and UUID v7 does not. You can always go from low to high entropy, but not the other way around.
alt Hacker News
I'm not saying anything about better or worse. I'm saying that UUID v4 by definition has high entropy and UUID v7 does not. You can always go from low to high entropy, but not the other way around.