SŁAPCZYŃSKI, Tomasz. Blockchain technology and cryptocurrencies - legal and tax aspects. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 23, n. 1, p. 31–36, 2016. DOI: 10.5604/01.3001.0013.2653. Disponível em: https://asej.eu/index.php/asej/article/view/355. Acesso em: 6 dec. 2024.