[wswope]

> What's an example of a system that generates v1 uuids by default?

MySQL. One of many reasons to avoid it.

[smaccona]

Didn’t know this - true as of MySQL 8.X. I would say “shocking” if it wasn’t in keeping with a number of dubious decisions made over the years. We are using MySQL, but thankfully are generating UUIDs in our app layer.

Kludgy, non-cryptographically-safe UUID4 implementation in MySQL: https://stackoverflow.com/a/32965744