Designing JWT Auth the Right Way

You log in to an app. Close the tab. Come back tomorrow. You're still logged in. Convenient? Yes. Also the exact place where most JWT implementations quietly go wrong. HTTP forgets everything between requests. Every call is a clean slate. So something, somewhere, is remembering you. That "something" is your auth system. And JWT-based auth isn't just a technique — it's a series of deliberate trade-offs. Speed vs control. Statelessness vs revocability. Simplicity vs security edge cases. Nobody exp