Almost every investment is subjected to market risk and bitcoin is exposed to even greater amount of risk as there is not central authority. So if the price starts crashing, no one will step ahead to prevent it. Also it is not back by any asset like gold or any other precious metal. Hence bitcoin investment is always riskier.

However, bitcoin also has the potential to reward you suitable if you are willing to take the risk. Those who are investing in bitcoin from long time now, they are already sitting on a huge profit. So invest wisely and wait for long period to get a good amount of return in bitcoin. No other conventional investment will be able to give you that much of return.