The risks of cryptocurrencies are that these are the same risks as in any investment. You must objectively understand how sum you can set, so that in case of failure, you can safely part with it. And awards are an opportunity to operate cryptocurrency practically all over the world with minimal time and financial expenses.
It's the same in the sense when you understand what you are doing, there's really risk but if you go deeper and you seek for more knowledge the chance for you to enjoy and take advantage is high. It's a matter of how much you are willing and how far you can proceed according to your proper understanding. It's profitable once you learned everything around.