you can choose what coins/token will be popular in 2019.
include the reason coin/token can be popular.
don't expect any cryptocurrencies except Ethereum. it seems to me that this will be the best and most correct choice of investment. I am sure that in 2019 everything will change for the better
Why are you choosing Ethereum as the best and most rewarding altcoins in your selection list? I realised that Ethereum is like a slow boom it is slowly falling and waiting for a reason for it to die from this market.