This diploma thesis examines the reasons for the acceptance of cryptocurrencies by enterprises in the Czech Republic. At the beginning The Diffusion of Innovation Theory is explained. This theory is used to predict possible future rate of adoption. Using the model example of the cryptocurrency Bitcoin, it presents the history, the principle of addresses, mining, Blockchain technology and describes the characteristic of payments using Bitcoin. It briefly describes current payment methods to make a clear comparison to cryptocurrency transactions. To clarify the slightly different situation in the Czech Republic, it describes unique projects that come from the Czech Republic and may have an impact on the perception of cryptocurrencies in socie...