I think Ethereum is going to have a tough time meeting demand in the face of other systems designed to meet the demand from the ground up. I'm personally having a lot of trouble with stuck or cancelled transactions on Ehtereum and find myself looking for alternatives. Vitalik has stated that he would like to keep it so all nodes can run on a laptop so a transition to any sort of master nodes appear to be out. I see the road to anything scalable for Ethereum taking years and in crypto that might as well be an eternity.