00998nam 2200301 450 PT.BNPORTUGAL.BNP-L.2068156http://id.bnportugal.gov.pt/bib/bibnacional/2068156978-989-694-300-4PT485910/2120210503d2021 m y0pory01030103baporPTa g 000yyrBitcoin e blockchainguia prático para perceber, gerar e investir em criptomoedasPaulo AlcarvaLisboaActual2021127 p.il.24cm336.74(035)BNpor004.73.05(035)BNporAlcarvaPauloPTBNRPChttp://rnod.bnportugal.gov.pt/ImagesBN/winlibimg.aspx?skey=&doc=2068156&img=158826&save=true