It doesn't have to be a DB tho it could be a server in-memory list that gets updated via pubsub or some other means. This is a hell of a lot faster than doing a

It doesn't have to be a DB tho it could be a server in-memory list that gets updated via pubsub or some other means. This is a hell of a lot faster than doing a network call to a DB and because revocation lists should be small by definition and only exist for the length of the token expiration they are limited in their space requirement