What is a UUID (or GUID)?

Our favorite statistically unique identifier (00000000–0000–0000–0000–000000000000)

Photo by Cristofer Maximilian on Unsplash

TL;DR

• A UUID (universally unique identifier) is a statistically unique identifier
• It looks like this: 60f9496b-621c-48d8–8cba-1ebdd866a030
• There are more possible UUIDs than there are grains of sand on Earth
• It is 128-bit value…