Life itself is a risk. For every investment there is always a risk. It doesn't matter what you invested or intend investing, consider what will not affect you. The price of Bitcoin is unpredictable as it fluctuates, so the little you can afford to bear is what should be invested or otherwise.
It is risky instrument type but the most regarding as well. From last 5 years it has being giving the best returns so far as compared to real estate, gold etc and due to which it has being considered as one of the good options as well along with its multipurpose use.