because its price is rising and still bitcoin is the m other of all coins.sothere is a high demand for btc in the market
The demand of bitcoin will increase more in the coming future. As it is crypto currency which have more benefits as compared to other currencies. As it is decentralized currency state has nothing to do with bitcoin. Its transaction is without any fees. Transfer fast. People do shopping easily with bitcoin. Bitcoin demand will be rise in the coming future 2018 as more people will interest to buy bitcoin.