Summary
In this chapter, you learned about the details of Ethereum architecture and how Ethereum works. We went through the key Ethereum concepts, including accounts, contracts, transactions, and messages. We discussed how the EVM works and how the smart contract code is executed within the EVM. We discuss how the Eth2 and beacon chain works and what the unified Ethereum blockchain looks like in the post-merge world. In the end, we also introduce you to various L2 optimistic rollups and ZK rollups.
In the next chapter, we will discuss Decentralized Finance (DeFi), the most successful use cases built and powered on Ethereum so far.