ewww, bitcoin and litecoin are just tradable tokens, no smart contracts or anything. There are a hundred million of these coins, how do you expect widespread adoption besides people that are holding them because they think they are gonna get rich (not everyone can get rich fast). Neo is not a coin, it is only a share in the NEO blockchain. Buy gas coin, not Neo, way overrated. Where is EOS? Ether is alright, but I hope it gets wrecked by EOS. Short term gain, sure choose the volatile ones. Long term gain, contracts all the way. Bet EOS and Gas, anything similar to the type with lots of support.