I am not sure that until 5 years later, the ethereum can replace the bitcoin or the price will be higher rather than bitcoin. It is too difficult for ethereum to compete with bitcoin and to beat the value of bitcoin. Until now, the price of ethereum still depend with bitcoin's value. Few days ago,  as we can see in the coinmarketcap, the price of ethereum still goes down and still have a big gap between the value of ethereum and bitcoin. But i can't predict like 10 years later, can ethereum beat the bitcoin and be the future of crypto? Because the demand of ethereum is bigger and most of the project use ethereum's platform as a basic transaction. And everything is possible in crypto's world, so who know..