01142nam a2200193   4500001000700000100004100007101000800048200016400056311004000220330044400260461008500704606001800789606002900807606003000836606003200866700001700898701001600915701001700931377098  a20180511u           y0pory50      ba  aeng  aThe evolution of the bitcoin economybRecurso eletrónicoeextracting and analyzing the network of payment relationshipsfPaolo Tasca, Adam Hayes, Shaowen Liu  aFicheiro de 1,12 MB em formato PDF.  a1 Introduction. 2 Preliminary definitions. 3 Data set. 4 Pure User Group analysis. 4.1 PUG identification. 4.2 Identification of mining pools. 4.3 Classification of unknown super clusters. 5 Transaction pattern analysis. 5.1 Inflow analysis. 5.2 Outflow analysis. 6 PUG control test with TP analysis. 7 The bitcoin network. 7.1 Evolution of the bitcoin economy. 7.2 Limitations and future directions. 8 Conclusions. References. Appendices.  cBingleyvp. 94-126tThe Journal of Risk Financex1526-5943pVol. 19, n. 2 (2018)  aMOEDA VIRTUAL  aCOMÉRCIO ELECTRÓNICO  aTRANSACÇÃO FINANCEIRA  aCONTROLO DE TRANSACÇÕES  aTASCAbPaolo  aHAYESbAdam  aLIUbShaowen