NOVIKOV, Aleksandr. Cryptocurrency: possibilities and risks. Gosudarstvennaya Sluzhba, [S. l.], v. 17, n. 5, p. 64–67, 2015. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/22143. Acesso em: 9 nov. 2026.