BTC
ETH
WAN
MAN
ZRX
Other than that, just flip shit in szn and use Bitmex.
Edit: some other exchange/dex coins too, all of these are better than amost anything else given it's a good ex/dex and token has value
BTC
ETH
EOS
TRX
PCL
That is my suggestion for 2018 holding, hold that coins because they have better future and you have assurance for that. They have Future that we ca have our assurance.