Bitcoin was one of the hottest topics of the past year. It is decentralized virtual currency based on cryptographic and peer-to-peer protocols and supposed to be anonymous as well as cash money. Without a doubt, bitcoin is the currency of the new age. Despite increased media attention this area is still full of rumors and pitfalls. Important but non-obvious things will be explained in this talk as well as ideas about why a system based on cryptography doesn't mean anonymity by default. It will be shown how to analyze pseudo-anonymous money flaws and how to hide traces. Also, an analysis of famous cases of a cybercrime world (Silk Road, SheepMarketplace) will be presented. Neyolov Evgeny is a security researcher who is mostly interested in cyber intelligence and enterprise security. His previous conference talks (Hacktivity, BSidesLisbon, Sec-T, Syscan360, Nullcon) cover topics such as forensics, anti-forensics, cybercrime analysis, anti-fraud systems and business applications security. Neyolov is an organizer of a hardcore hacker conference ZeroNights and Russian Defcon Group as well as an independent security researcher.