Two-factor Authentication through Flash Calls: Technical and Economic Analysis
Keywords:
two-factor authentication, flash calls, telecommunication security, digital authentication, voice channel security, cryptographic verification, authentication protocols, telecommunications infrastructure, authentication costs, emerging markets securityAbstract
This study explores flash call verification as an innovative approach to two-factor authentication (2FA), addressing modern security and cost-efficiency challenges. The research examines the theoretical foundations and technical implementation of flash call authentication, comparing it against conventional SMS-based methods. The proposed methodology utilizes telephone network infrastructure to deliver authentication codes through incoming call numbers, showcasing notable improvements in both security and economic viability. Results indicate that flash calls offer substantial cost savings relative to SMS authentication, while preserving high-security standards through channel isolation. Although the method is particularly relevant for markets with elevated SMS costs, it holds global applicability in diverse digital systems. By providing a comprehensive analysis of flash call architecture, security mechanisms, and operational benefits, this study contributes new insights into scalable and cost-effective 2FA solutions.
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