Part 7 — Token Revocation Without Killing Performance

JWTs have a hard problem hiding inside them: they're stateless. The whole point of a JWT is that the verifier can check a signature and make a decision — no database, no round-trip. That's what makes them fast. It's also what makes "log this user out right now " not work out of the box. We had to solve this. Users log out. Admins disable accounts. Service accounts rotate. Each one of those events has to invalidate live tokens immediately , not at the next expiry tick. This post is about how we d