Individual skill
erc7702-patterns
Use when building with EIP-7702 account abstraction. Covers EOA smart contract delegation, authorization tuples, transaction batching, sponsored transactions, session keys, and dApp integration. Live since Pectra (May 2025).
skills/erc7702-patterns/SKILL.md
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# EIP-7702 Account Abstraction Patterns
## Overview
EIP-7702 (shipped with Pectra, May 2025) lets EOAs temporarily delegate to smart contract code. The EOA's address gains smart contract capabilities without deploying a new account. Unlike EIP-4337, there's no separate EntryPoint or bundler infrastructure.
## How It Works
A new transaction type (0x04) includes authorization tuples that set the EOA's code to point at a delegation contract:
```
authorization_list: [{ chain_id, address, nonce, y_parity, r, s }]
```
