00957nam a2200169   4500001000700000100004100007101000800048200011600056311004700172330037800219461008200597606001800679606003000697606002300727700001600750701002100766375950  a20150909u           y0pory50      ba  aeng  aVirtual currencybRecurso eletrónicoeinvestigative challenges and opportunitiesfBrett Nigh, C. Alden Pelker  aFicheiro de 1,01 MB em formato PDF (6 p.).  aVirtual currency valuation. Exchangers and third-party services. Law enforcement interests. Investigative challenges. Regulatory and compliance disparities. Transaction obfuscation and anonymity. Systems’ global nature. Regulation and guidance. Criminal investigations and prosecutions. Bitcoin-related crimes. Investigative methods. Virtual currency seizure. Conclusion.  cWashingtondSeptember 2015vtFBI Law Enforcement Bulletinx0014-5688p[6] p.  aMOEDA VIRTUAL  aBRANQUEAMENTO DE CAPITAIS  aCRIME VIA INTERNET  aNIGHbBrett  aPELKERbC. Alden