Integration with Near-Field Communication (NFC) and Quick Response (QR) codes as checkpoints offers a simple yet highly secure method of biometric-grade proof-of-presence. These small, passive tags are strategically placed throughout the patrol route and are virtually impossible to duplicate or manipulate. The act of scanning a tag with the mobile app ensures that the officer is physi... https://exigasoftware.com.sg/guard-tour-mobile-app/