Dynamic Secure QR is ARCH SEOUL’s proprietary secure QR technology developed to overcome the security limitations of conventional static QR codes.

The QR code changes dynamically based on time and automatically expires, while server-side validation verifies whether each QR request is valid. This architecture helps protect digital service access from QR replacement, duplication, tampering, and unauthorized reuse.

Users can access services simply by scanning the QR code with a standard smartphone camera, without installing a dedicated application. At the same time, enterprises and institutions can centrally manage QR deployment, service connections, and operational status across multiple locations.

Dynamic Secure QR can be applied to a wide range of use cases, including:

• Digital payment
• Mobile ordering
• Multilingual digital menus
• Ticketing and transportation
• Identity and service authentication
• Facility inspection and maintenance verification
• Hotel and resort guest services
• Public and commercial facility services

Designed as one secure QR infrastructure for multiple use cases, Dynamic Secure QR enables organizations to expand digital services without building separate QR systems for each application.

The technology can be deployed across hospitality, transportation, financial services, public infrastructure, tourism, retail, and other enterprise environments, providing a secure and scalable foundation for digital interaction.