Lightweight Cryptographic Protection of Sensitive Data Using ECDSA in a Blockchain-IPFS Architecture. International Journal of Environmental Sciences, [S. l.], p. 2507–2517, 2025. DOI: 10.64252/c96kfc46. Disponível em: https://theaspd.com/index.php/ijes/article/view/7319.. Acesso em: 3 mar. 2026.