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MetaMask Smart Accounts

The MetaMask Delegation Toolkit is a collection of tools for embedding MetaMask Smart Accounts into dapps. These smart accounts support programmable account behavior and advanced features like delegated permissions, multi-signature approvals, and gas abstraction.

Delegations are a core feature of MetaMask Smart Accounts, enabling secure, rule-based permission sharing. These delegations are powered by the toolkit's Delegation Framework, which defines how permissions are created, shared, and enforced.

Using MetaMask Smart Accounts with Arbitrum​

The latest version of the MetaMask Delegation Toolkit supports multiple networks, including Arbitrum and Arbitrum Sepolia.

You can follow the MetaMask Smart Accounts quickstart to set up the toolkit, create a smart account, and send a user operation. Make sure you import arbitrum or arbitrumSepolia from viem/chains when setting up the Public Client.