Bitcoin and other cryptocurrency as an instrument of crime in cyberspace
Bitcoin and other cryptocurrencies transformed the trade in illegal goods, especially drugs. Thanks to them in conjunction with other anonymization tools could arise dark markets, illegal marketplaces in cyberspace. Despite active intervention by the authorities, their number and quantity of goods on offer is growing significantly. Besides, we observed a tendency to change the structure of the drug market. This article is next to the description of the operation of dark markets based on identified trends and look to the future of how will dark markets look like. . . . . . . . . . . . .