The Link Between Return and Risk in the Case of Bitcoin. REGIONAL AND BUSINESS STUDIES, [S. l.], v. 15, n. 1, p. 19–31, 2023. DOI: 10.33568/rbs.4649. Disponível em: https://journal.uni-mate.hu/index.php/rbs/article/view/4649.. Acesso em: 9 may. 2024.