Wallet Engineering

EVM Smart Contract Wallets

Account Abstraction

ERC-4337: A contract can also be the owner of another one, enabling composability to add additional layers of access control complexity.

Context

• Blockchain Decisions
• Wallet Providers

Questions

Which engineering decision related to this topic has the highest switching cost once made — and how do you make it well with incomplete information?

• At what scale or complexity level does the right answer to this topic change significantly?
• How does the introduction of AI-native workflows change the conventional wisdom about this technology?
• Which anti-pattern in this area is most commonly introduced by developers who know enough to be dangerous but not enough to know what they don't know?