

Arbitrum is a Layer 2 scaling solution for Ethereum that boosts transaction speeds and cuts gas fees. This technology processes transactions more efficiently by using off-chain computation, while maintaining the security and decentralization of the Ethereum network.
MetaMask is a leading Web3 wallet that lets users interact with decentralized applications on Ethereum. It plays a vital role in the Ethereum ecosystem by offering an intuitive interface for asset management and dApp interaction.
To add Arbitrum to MetaMask, make sure you have:
MetaMask supports the Arbitrum One network, built on Ethereum. Ensure you're using the most up-to-date version of MetaMask to add Arbitrum successfully.
Each step requires specific actions, including navigating MetaMask’s network settings and entering Arbitrum’s network details, such as the RPC URL.
Arbitrum delivers several major benefits:
Arbitrum enables a wide variety of applications, including:
Adding Arbitrum to your MetaMask wallet is simple and lets you benefit from this Layer 2 scaling solution for Ethereum. Whether you're a developer building scalable projects or a user seeking faster, cheaper transactions, integrating Arbitrum with MetaMask is a strategic move in the dynamic Ethereum ecosystem. Using Arbitrum’s RPC is crucial for optimal network connectivity.
The RPC URL for Arbitrum is https://arb1.arbitrum.io/rpc. It lets you connect to the Arbitrum blockchain.
Open MetaMask, click the network dropdown, select "Add Network," and enter Arbitrum’s network details (name, RPC URL, chain ID, symbol, explorer). Click Save to add Arbitrum to your wallet.
Yes, MetaMask supports Arbitrum. Users can connect to Arbitrum and use it just like Ethereum. This support is available on MetaMask’s Growth or Custom plans.
To add an RPC URL in MetaMask, go to "Custom RPC," enter the URL and a nickname, then save. Always use a trusted source for the RPC URL.











