WILLIAMS, A. K.; PETERSON, J. Decentralized Common Knowledge Oracles. Ledger, [S. l.], v. 4, 2019. DOI: 10.5195/ledger.2019.166. Disponível em: https://ledger.pitt.edu/ojs/ledger/article/view/166. Acesso em: 17 apr. 2024.