Arana, Wilver, Aldo Pastrana, and Juan Lopez Aleman. “Blockchain-Based Mobile Digital Identification for Older Adults in Peru”. Engineering, Technology & Applied Science Research 16, no. 3 (June 6, 2026): 35988–35998. Accessed June 16, 2026. https://etasr.com/index.php/ETASR/article/view/17039.