Miners will be replaced by Ethereum Validator
So Ethereum is making big changes to solve the scalability problem and therefore they need Ethereum validator. So they introduced a different solution to this problem. An Ethereum Validator is one of the key components for these solutions.
[Infographic] Ethereum 2.0 is a combination of key features that will solve Ethereums scalability problem. For more about Ethereum 2.0 visit us: https://nirolution.com/learn-everything-about-ethereum-2-0/