The value contains human consciousness and the double development of life, including the unity of human and external nature. All the development of the self - world is of value. The core essence of value is the free man, and the man who creates himself is the free man. Man is the ultimate object of value, man is the value ontology, man's behavior is the source of value, and the development of man is the result of value. The development of human beings is the unity of human's inner contradictions and external contradictions. It is the overall development of human consciousness and human life and the whole development of human and nature. That is, the self-creation of man and the unity of external creation and creation of nature, and the creation of this freedom is also the value behavior, so the whole value is the realization of freedom India's top tax authority is expanding its probe into bitcoin investments and transactions, and last week visited at least nine bitcoin exchanges across the country. At that time, there have been reports, tax authorities suspect there is tax evasion in this field, has started "investigation", in order to make clear the status of investors and traders and trading, the related bank account holder's identity and other details. Now, however, that wisdom is being questioned, not just in Britain. As long as inflation is a real and present danger, it makes sense to put monetary policy down to the conservative central bankers and keep them from the government's fiscal deficit. Instead, the problem today is the opposite: that the central bank cannot raise inflation to its target. A broad market is a group of vendors and individuals who are associated with other vendors and individuals to buy and sell certain goods. The size of the market, the size of the market, is the number of buyers. In 2017, the blockchain enters the public eye through bifurcation, CryptoKitties and ICO. Driven by investment opportunities and media attention, traditional businesses and consumers have begun to focus on the cryptocurrency and its underlying blockchain technology. The difference between financial capital preservation and physical capital preservation