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4
Sessions
4
Videos
24
Students
Build the next generation of Ethereum UX with ERC-4337 account abstraction. This course takes you through the complete stack — from understanding UserOperations and Bundlers to implementing smart accounts with social recovery, session keys, and gasless transactions. You'll build a production-ready smart wallet that makes Web3 as intuitive as Web2, solving the onboarding problem that has held back Ethereum adoption.
Dissect the ERC-4337 standard component by component. You'll understand UserOperations, the EntryPoint contract, Bundlers, and Paymasters in depth. We'll trace the complete lifecycle of a UserOperation from creation to on-chain execution, examine the mempool dynamics, and discuss how account abstraction changes the transaction model. You'll set up a development environment with Pimlico and Alchemy's AA SDK.
2h 0m
A detailed dissection of the ERC-4337 standard, tracing UserOperations through the EntryPoint contract, Bundlers, and Paymasters from creation to on-chain execution.
3h 15m
A hands-on session building a fully functional smart account with custom validation logic, signature schemes including WebAuthn, and a Paymaster for gasless transactions.
2h 30m
A practical guide to implementing guardian-based social recovery for wallet access and session keys that enable dApps to transact on behalf of users within defined permissions.
3h 45m
An exploration of combining account abstraction with governance, implementing multi-signature validation, DAO treasury integration, and role-based access control using AA modules.
Verification project for Account Abstraction & Smart Wallets.
Verification project for Account Abstraction & Smart Wallets.
Create a smart wallet with social recovery and gasless transactions.