TRON, CARDANO and POLKADOT can be the next ethereum. It's not easy to beat ethereum but can be overload eraser. New project can be developed from these three network for high speed, network scalability, lower fees in transactions.
that's not true at all caused by they are building their own platform use their own consensus, ethereum was able to creating the new innovation called smartcontract. Remember about the solidity was also creating by ethereum too.
It's not only about the technical aspect that owned by those platforms but people are trusting ethereum caused by this platform has been giving a big change into the crypto industry