Validity of Agreements in the Digital era: Study of Electronic Contracts, Cryptocurrencies and Non-Fungible Tokens. SASI, [S. l.], v. 28, n. 3, p. 336–343, 2022. DOI: 10.47268/sasi.v28i3.834. Disponível em: https://fhukum.unpatti.ac.id/jurnal/sasi/article/view/834. Acesso em: 29 may. 2026.