If you see potential in cryptocurrency, you should just invest. dont be put off by the volatility and the price going up and down. All free markets will have this kind of price movement, it is completely normal. as long as you have a good reason to invest, you should. Just dont invest if you only expect the price to go up.
Yes, those understanding the potential and the scope of the bitcoin and the whole crypto currency. The crypto currency have a lot of scope for the future and currently those who understand the market to how to deal with it and how to manage an effective portfolio. Those who invest only in a single coin are not that successful as compare to those who keep a proper active portfolio.