VARAVKA, Vasyl. Problems of legal regulation of smart contracts. Actual problems of law (Aktual’ni problemi pravoznavstva), [S. l.], v. 1, n. 1, p. 143–151, 2020. DOI: 10.35774/app2020.01.143. Disponível em: https://appj.wunu.edu.ua/index.php/apl/article/view/858. Acesso em: 14 apr. 2026.