fyogaari23, Setiawan H, Budiarta T. Design and Development of a One-Time-Use Dynamic QR Code System with an Anti-Screenshot Mechanism in a Web-Based Event Guest Book Application to Enhance Attendance Verification Security: Rekayasa Keamanan Siber. Kom [Internet]. 3 Juni 2026 [dikutip 6 Juni 2026];7(1). Tersedia pada: http://journal.poltekad.ac.id/kom/article/view/925