KARPUNIN, Vyacheslav I.; NOVASHINA, Tatiana S. Crypto currency’s "economic nature" in the light of new monetary theory. Nexo Revista Científica, [S. l.], v. 34, n. 01, p. 258–269, 2021. DOI: 10.5377/nexo.v34i01.11304. Disponível em: https://www.camjol.info/index.php/NEXO/article/view/11304. Acesso em: 5 dec. 2025.