Integrating QR Code Authentication with Firebase Cloud Messaging: A Performance-Optimized Architecture for Enhanced Mobile Security and User Experience
DOI:
https://doi.org/10.69996/jcai.2025027Keywords:
Mobile Application Development, Cloud Messaging, User Experience (UX), Performance Optimization, Secure AuthenticationAbstract
The escalating reliance on mobile applications across diverse sectors necessitates architectures that are simultaneously secure, performant, and user-centric. This study presents the design, implementation, and empirical evaluation of an Android application that integrates encrypted Quick
Response (QR) code authentication with Firebase Cloud Messaging (FCM) to enhance security and the overall user experience (UX). The primary scientific contribution of this work is a novel, performancecentric architecture that successfully balances robust, encrypted authentication with low-latency cloud communication, a synergy often identified as a challenge in integrated systems. Developed using an agile methodology, the optimized system was rigorously evaluated against a non-optimized baseline. Results demonstrated a 30% reduction in application load time, a 46% improvement in QR scan speed (averaging 190ms), and a 50% reduction in messaging latency (<900ms in 95% of tests). Simulated user tests yielded a high average System Usability Scale (SUS) score of 83.5, with participants highlighting the system's ease of use and responsiveness. This work confirms the viability of a unified architecture that does not force a trade-off between security and performance, offering a scalable and empirically validated model for e-commerce, e-learning, and digital service delivery applications.
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