The best way in my opinion, to take advantage of cryptocurrencies, is to trade on trusted marketplaces with well-tracked stop-loses and not to buy a lot of crypto, because there is a lot of risk of being ripped off. or get hacked. That way we can enjoy this mane without too much risk.
In addition, there are also many ICOs that can make a big return on small investment whatever the variation in crypto prices. The NAGA (https://goo.gl/ViMTur) seems to me one of the ICO that can cardboard in a short time