Cryptocurrency is only one of the uses of blockchain technology. This technology itself can be used in many cases, in particular, where it is necessary to safely store large databases of various information online. If the cryptocurrency is perceived positively by not all states, the blockchain technology is highly appreciated by absolutely all states and now it is being studied and is beginning to be applied in practice. The largest number of patents for the introduction of this blockchain technology is issued in China, this country is very sensitive to the innovations of science and technology.