Every human endeavor is characterized with risk. Bitcoin is not an exception. In every investment, one is exposed to some certain amount of risk. Engaging in bitcoin is very risky, but one has to take a wise look and study the system well before diving in.
Risk are every where, If you want to achieve something or you are dreaming of something always consider to face the consequences that you might acquire. Engaging with bitcoins are risky indeed considering the fact of its volatility and we can't predict its up and down. So we can't really say that BTC is always ending a success story, but how to know if it is a success if your not taking the risk?