Ethereum has been working on the ways to reduce the scalability issues. They recently come up with the sharding plans in order to allow scaling of blockchain. I have written an article on how the sharding works you may want to read that :) Check out the article: https://hive.blog/hive-167922/@esmeesmith/how-does-ethereum-sharding-work https://leofinance.io/@esmeesmith/how-does-ethereum-sharding-work