Bitcoin demand will increase only awareness among the people and the Govt. of every economy need to take the first initiation. If the transactions are catch by Govt. then only this is possible and the demand of the Bitcoin grow.
Increasing demand for bitcoin will increase prices, many factors influence, among others, the existence of a positive issue of news about bitcoin. Statements from big entrepreneurs or high officials also influence the movement of bitcoin prices, especially after bitcoin has experienced a sharp increase in 2017, of course bitcoin has an attraction for investors.