Though many of the concepts in this course are still relevant, overall this course does not reflect our current course standards.

Check out a free preview of the full Secure Authentication for Web Apps & APIs Using JWTs course:
The "Challenge: Expire Time" Lesson is part of the full, Secure Authentication for Web Apps & APIs Using JWTs course featured in this preview video. Here's what you'd learn in this lesson:

In this challenge, you will use the JWT’s expire time to check whether the user is authenticated. You will also conditionally hide/show elements based on the authentication state. The starting code for this challenge is on the 02-client-sessions-starter branch.

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