If you've been following the backend-as-a-service landscape, you've likely heard of Convex. This innovative platform has been turning heads by offering a unique combination of developer experience, serverless functions, and real-time subscriptions, all wrapped in a developer-friendly package. What makes Convex particularly interesting is that under the hood, it's powered by Rust – a language choice that speaks volumes about its commitment to performance and reliability.

Authentication is the backbone of any full-stack application, but it’s also one of the easiest places to introduce subtle, hard-to-debug security flaws. As developers, we aim to build secure, reliable systems, but scaling an app to a global audience presents unique challenges—especially regarding authentication.