i think we can reduce the risk in bitcoin investment, trading and even in gambling, if we have proper knowledge about trading and investment. in gambling if we have some good strategy and planing and if we are playing gambling in a limit even there we can reduce the risk of losing money in gambling.
When doing an investment, the first thing to do is reduce the risk so it's one of the things that needs to be practiced.
First of all, we already knows that investment have some associated risk on it. Rather than to treat that as an enemy or struggles, make room to learn how we can deal with those risk. There are lots of succesful investment today that faces so much risk but still reached the status of becoming succesful. It's up on the people how will they make their investment succesful.