Yes this could be a challenging year for ethereum as it is not performing from the past year and I believe there will not be any obstacles this year for ETH. Few say Constantinople hardfork is all set to happen in couple of days, let's believe things will be well and good.
I have my portfolio divided between cryptos (BTC, ETH and XRP), some gold coins, Legos, lots of silver and no fiat. Im ready that ETH will be more begger