Right now the prices of all altcoin in very drastic, especially ETH, whether in 2019 it'll be back, or just keep it stable?
Give me your opinion.
For me, 2019 will be a stable year of crypto market. Good news will come, but you won't see sensitive altcoins like before. It will not fly as you expect and it will increase slowly.
That is also the direction I like because it is a sign of a sustainable value. It is clear that it does not hasten price hikes and does not fall hasty. I like sustainable values.