ethereum is one of the best coins worth investing in long term. no matter that the condition of ethereum's down trend will continue to develop well and hope in the future the price far exceeds expectations.
Now if long-term investment should choose BTC, btc will be extremely attractive to you, however we should see that the value of the coin will increase sharply by the end of this year, so the hold BTC or ETH are the same, mostly pennies that will bring you higher profits.