Since the starting of bitcoin a few number of people invest into bitcoin.But now a lot of number peoples invest into bitcoin because bitcoin is promising crypto coin and very potential coin.peoples gain profit to invest into bitcoin.In a word bitcoin become a valuable thing to the peoples.
I think most people would say is the only thing that makes people like at first sight to bitcoin and about OP not know note the past or the history of price bitcoin. you can know that use the chart market cap coins and historical data for bitcoin. in the world of bitcoin, volatility cause increased ridiculous value bitcoin