SEREBRIAKOV, R.; KLYMENKO, I. Alternative approaches for smart contract upgradeability. Problems of Informatization and Control, [S. l.], v. 2, n. 82, p. 92–101, 2025. DOI: 10.18372/2073-4751.82.20372. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/20372. Acesso em: 17 jun. 2026.