bitcoin does have a big risk but also has a great advantage, only people who are not afraid of the risks that get big profits 
Those who want to risk their participation in the BTC, they expect to trust the BTC and they have received the end result is extremely high on the market. In places of great risk, there will be huge profits for us. So if you dare not take the risk you can put money into the bank, and you will receive the fixed monthly profit. Everything is worth going along with.