And what does that give you over just using a cookie?

fny · on March 5, 2018

Sometimes you don't have cookies? Like with mobile apps. With JWT you can also have uniform auth across mobile and web apps, and when done right is a beautiful thing™.

Also cross domain/app data signing.

tatersolid · on March 5, 2018

> Sometimes you don't have cookies? Like with mobile apps.

A cookie is just an HTTP header. Any mobile app that can speak HTTP can use cookies.