In the bustling world of modern web applications, security and performance are crucial pillars. One tool that stands at the crossroads of these concerns is the JWT (JSON Web Token), a widely adopted standard for securing and validating user sessions. However, a question arises: should JWT tokens be cached in Spring Boot applications? While caching JWTs might seem like an efficient way to optimize performance, the decision is not straightforward. Let’s delve into this topic through a structured lens, weighing benefits, risks, and implementation techniques.