Now a days we sometimes seeing the price of Bitcoin falling along with others also falling.
At that time if I have Bitcoin then what should I do ?
Should I sell or hold?
The approach to this individual! It all depends on your strategy! If it is of course you have, at least if you are an inexperienced, novice trader or investor, then first decide what type of trade you will lead!!! On the Internet this material in bulk, learn and practice not to be a hamster!