VERME, Paula L. Hernandez; BENAVIDES, Ruy A. Valdes. VIRTUAL CURRENCIES, MICROPAYMENTS AND THE PAYMENTS SYSTEMS: A CHALLENGE TO FIAT MONEY AND MONETARY POLICY?. European Scientific Journal, ESJ, [S. l.], v. 9, n. 19, 2013. DOI: 10.19044/esj.2013.v9n19p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/1264. Acesso em: 19 apr. 2025.