well bitcoin is the best and improving currency but it is for the people to hold this currency because with out this the bitcoin value will not rise and if the people love to buy bitcoin and hold this then they will see that bitcoin provide them the best profit in the near future and it is good to use this for online payments etc it is convenient for those who are dealing with online services and The first thing that bitcoin needs to improve is the one thing that has been dragging bitcoin down for a long time now and that is the transaction scalability issue