Bitcoin is unstoppable. Despite its also volatile, Bitcoin uses different technologies and it makes cryptocurrencies diversified in way you cant kill one because two new grow back!
Bitcoin unstoppable because investor are still believed on it and some country are starting to accept the fact that bitcoin is one of the good investment in the future. Community also are continuously supporting on it. Bitcoin value in the market cap is unpredictable even it experience ups and down of price value in the market.