Why QR Codes Expire (It's Not the Code — It's the Server)

Most explanations of QR code expiration say "your subscription expired" as if that's the full story. It's not. QR codes don't expire — the redirect infrastructure that dynamic codes depend on gets switched off, and every scan after that moment hits a dead server instead of your content. Here's how it works at the architecture level, and why it matters if you're building anything that touches physical print. Static vs dynamic: two completely different architectures A static QR code encodes your d