But in order to better future, we must expand the definition of the word "profit", the economic benefits and social benefits are included, and understand that block chain itself is a social innovation of technical solutions. The market can indeed be described as a laissez-faire pricing mechanism. However, this price mechanism does not operate in a vacuum, and does not work effectively in any social system. The basic premise of the efficient operation of the price mechanism is the implicit assumption of Smith: to recognize individual "lusts" and to clear and protect individual property rights. Clear and guaranteed personal property is the basic premise of market existence. It is necessary to recognize the personal "lusts" and to ensure that individual property rights are supported by the corresponding institutions, which are not in our society. 2. Open securities investment account The fund's fourth consultation underlines the enormous uncertainty facing Britain in the ambitious task of negotiating an exit from the eu. Interest rate decisions on Thursday are expected to see the bank of England hold interest rates and provide the latest update on the economy since last month. A CBI survey of 109 companies this month found that online sales of black Friday and cyber Monday were "unremarkable".