Most developers first encounter UUIDs when setting up database primary keys. But UUIDs solve problems far beyond the database — and once you start using them, you'll wonder why you ever reached for auto-increment. The Problem with Sequential IDs Auto-increment IDs are fast and small, but they l...
Source: [Dev.to](https://dev.to/zhihu_wu_dea1d82af01a04d7/why-uuids-belong-in-every-developers-toolbelt-not-just-your-database-4jdd)