Blockchain-based verification of academic credentials: A multi-node consensus approach using MultiChain. Natural and Applied Sciences International Journal (NASIJ), Peshawar, Pakistan, v. 7, n. 1, p. 54–65, 2026. Disponível em: https://www.ideapublishers.org/index.php/nasij/article/view/7.1.4. Acesso em: 23 jul. 2026.