INTERMEDIATE
Account Abstraction (ERC-4337)
Master Ethereum account abstraction. Learn the ERC-4337 standard, build smart contract wallets, implement paymasters and session keys, and deploy production-ready wallet infrastructure.
0 hours·$0 USDC to certify·Off-chain credential
Curriculum
AA Fundamentals
- EOA Limitations and the Case for Account Abstraction0 min
- ERC-4337 Architecture: The Four Key Components0 min
- The UserOperation Lifecycle0 min · 1 assessment(s)
Smart Accounts
- Smart Wallet Structure0 min
- Custom Validation Logic0 min
- Modules & ERC-69000 min · 1 assessment(s)
Paymasters & Gas Abstraction
- Paymaster Fundamentals0 min
- Token Paymasters0 min
- Paymaster Patterns0 min · 1 assessment(s)
Advanced Features
- Session Keys: Scoped Permissions Without Wallet Popups0 min
- Social Recovery: Replacing Lost Keys Through Trusted Guardians0 min
- Batching and Composability: Multi-Step DeFi in a Single UserOperation0 min · 1 assessment(s)
Production & Capstone
- Bundlers and Infrastructure: The Backbone of the ERC-4337 Ecosystem0 min
- Deployment and Wallet Factories: Counterfactual Addresses and Upgradeability0 min · 1 assessment(s)
- Capstone: Build FlowWallet0 min · 2 assessment(s)
