Coin with real use are coin to buy for longterm purposes. Coin like Neo, Xrp, Xlm, Aergo, Wan will do good. Accumulating this coin at their dip price will give long term profit
Pretty young cryptocurrencies, which now cost a penny or have not yet hit any of the exchanges, can become market leaders in the future. Once Bitcoin was offered for a few cents, and now its capitalization reaches billions of dollars. The Polymath platform can fit into the existing securities industry. I think that we can invest in Poly now. Ravencoin is worth our attention also