The independent of interest is of positive significance to show the active role of the fund users in the reproduction process. India's income tax authorities are sending a tax notice to half a million bitcoin users who are trading in encrypted currencies. Economist lynde hull explained that the benefits of capital in different periods of time would be interest. According to linde hull, interest in a specific period and the difference between the expected consumption is savings (during the period of the growth of capital), and returns the sum of consumption and savings are given period of time.