Book Image

Learn Ethereum - Second Edition

By : Xun (Brian) Wu, Zhihong Zou, Dongying Song
Book Image

Learn Ethereum - Second Edition

By: Xun (Brian) Wu, Zhihong Zou, Dongying Song

Overview of this book

Ethereum is a blockchain-based, decentralized computing platform that allows you to run smart contracts. With this book, you’ll discover the latest Ethereum tools, frameworks, wallets, and layer 2, along with setting up and running decentralized applications for the complete, end-to-end development experience. Learn Ethereum, 2nd Edition is a comprehensive overview of the Ethereum ecosystem, exploring its concepts, mechanisms, and decentralized application development process. You’ll delve into Ethereum's internals, technologies, and tools, including Ethereum 2.0 and the Ethereum Virtual Machine (EVM), gas, and its account systems. You’ll also explore Ethereum's transition to proof of stake, L1/L2 scaling solutions, DeFi protocols, and the current marketplace. Additionally, you’ll learn about EVM-compatible blockchains, connectivity techniques, and advanced topics such as sharding, off-chain scaling, DAOs, Metaverse, and NFTs. By the end of this book, you’ll be well-equipped to write smart contracts and develop, test, and deploy DApps using various tools, wallets, and frameworks.
Table of Contents (24 chapters)
1
Part 1: Blockchain and Ethereum Basics
7
Part 2:Ethereum Development Fundamentals
11
Part 3: Ethereum Development Fundamentals
15
Part 4:Production and Deployment
20
Part 5:Conclusion

Smart contract wallets and account abstraction

According to the post-merge Ethereum roadmap, account abstraction is slated to be supported as part of the splurge phase. There are two proposed EIP solutions for account abstraction, where one requires the protocol to change and the other doesn’t. The solution that requires the consensus layer protocol changes may take much longer to implement and also demand through testing. In the meantime, EIP 4337, which doesn’t require protocol changes, has been implemented to support account abstraction and smart contract wallets. Once EIP 4337 is implemented, you may not have much left to do at the splurge phase in terms of account abstraction.

Let’s start by understanding what EIP 4337 is in the next section.

Account abstraction and EIP 4337

As we discussed in Chapter 2, Ethereum Architecture and Ecosystem, Ethereum supports two types of accounts: externally owned accounts (EOAs) and contract accounts (CAs). To interact...