Two trusted coins that will make us rich in a coming years not only year 2019 this is the bitcoin and ethereum.Since this two coins are really top contender coin invested by well known capitalist in entire world.
It should be both but we must consider the potential of altcoins too. remember about the fact that so many people are aware of that. I guess about the pump of altcoin will happen after bitcoin and that's the common cycle in the crypto world.