## EIP-7702 (Delegated EOAs)

EIP-7702 lets EOAs delegate code execution to a smart contract, gaining smart wallet capabilities (multisig, social recovery, session keys, gas sponsorship) without migrating to a new account.

**How it works:**

1. EOA signs an authorization message pointing to a contract address.
2. A type `0x04` transaction submits this authorization (can be sent by the EOA or a third party / gas sponsor).
3. The EOA becomes "delegated" and behaves as if it has the delegated contract's code.

**Monad-specific behaviors:**

- **Balance floor:** Delegated EOAs cannot have transactions reduce their balance below 10 MON. If the balance is already below 10 MON but unchanged or increased by the transaction, it succeeds.
- **No CREATE/CREATE2:** Contract code executing within a delegated EOA's context cannot use `CREATE` or `CREATE2` opcodes (the call frame reverts). This prevents nonce manipulation. Standard contract-creation transactions from the EOA are still allowed.
- Delegations persist indefinitely until explicitly cleared (send a `0x04` transaction with `0x0000...0000` as the delegate address).

**viem example:**

```typescript
import { createWalletClient, http } from 'viem'
import { monadTestnet } from 'viem/chains'
import { privateKeyToAccount } from 'viem/accounts'

const account = privateKeyToAccount('0x...')

const walletClient = createWalletClient({
  account,
  chain: monadTestnet,
  transport: http(),
})

const authorization = await walletClient.signAuthorization({
  account,
  contractAddress: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
})

const hash = await walletClient.sendTransaction({
  authorizationList: [authorization],
  data: '0xdeadbeef',
  to: walletClient.account.address,
})
```

Reference: https://docs.monad.xyz/developer-essentials/eip-7702