E-user Verification Using Blockchain. JOURNAL OF SOFTWARE ENGINEERING TOOLS & TECHNOLOGY TRENDS, [S. l.], v. 10, n. 1, p. 20–28, 2023. Disponível em: https://www.stmcomputers.stmjournals.com/index.php/JoSETTT/article/view/569. Acesso em: 9 oct. 2026.