LOPES, C.; NAVAS, R. Innovation in the financial sector: An analysis of the use of blockchain technology in financial institutions in Portugal. Journal of Entrepreneurial Researchers, [S. l.], v. 3, n. 2, p. 058–076, 2025. DOI: 10.29073/jer.v3i2.50. Disponível em: http://jerhub.org/index.php/jer/article/view/50. Acesso em: 19 may. 2026.