BLOCKCHAIN-BASED FEDERATED LEARNING WITH SMPC MODEL VERIFICATION AGAINST POISONING ATTACKS FOR HEALTHCARE SYSTEMS. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2, p. 1426–1435, 2026. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2480. Acesso em: 7 nov. 2026.