Kryptowaluty jako element systemu pieniężnego
The purpose of the chapter is to characterize the phenomenon of cryptocurrencies in a broader macroeconomic context, namely as a potential monetary unit and an element of future rebuilt monetary systems. The chapter first presents the definitions and ways of understanding cryptocurrencies. Then, using a simple instrument, the SWOT matrix, the strengths and weaknesses of cryptocurrencies are presented, as well as the opportunities and threats that can be identified in relation to the performance individual functions of money by these units and being an element of monetary systems. The next part of the chapter overviews the most important areas of research on cryptocurrencies in their systemic, macroeconomic approach and applications. Then, general conclusions are drawn and the prospects for the development of cryptocurrencies in their monetary function are indicated.