From the traditional financial system to the challenge of regulating Blockchain and cryptocurrencies . Universos Jurídicos, [S. l.], v. 26, n. 26, p. 198–218, 2026. DOI: 10.25009/uj.v1i26.2798. Disponível em: https://universosjuridicos.uv.mx/index.php/univerjuridicos/article/view/2798. Acesso em: 7 oct. 2026.