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In August 2021, Offchain Labs launched Arbitrum as a Layer 2 (L2) solution for Ethereum’s congested network. Arbitrum enables Ethereum DApps to transact faster for less money. Some of the biggest players of the DeFi space, like Uniswap, Curve and SushiSwap, immediately jumped on the Arbitrum bandwagon to capitalize on its benefits, coupled with Ethereum’s security.
If you’re curious about this scaling solution for Ethereum, read on to learn how you can bridge and/or withdraw ETH tokens using the Arbitrum Bridge.
The exponential growth of the Ethereum blockchain eventually resulted in network congestion and steep fees to settle transactions through smart contracts. The Arbitrum Bridge was launched as a scaling solution to streamline transactions on Ethereum’s Layer 1 (L1) blockchain.
Arbitrum uses the concept of optimistic rollups to offer lower gas fees for secure transactions. Optimistic rollups are smart contracts that “roll up” off-chain transactions into bundles. This effectively spreads the costs of the bundled transactions, resulting in lower gas fees and reduced network congestion, all the while maintaining high security standards.
To bridge your ETH assets, you’ll first need to connect the Arbitrum Bridge with a crypto wallet. Besides wallets, you can also connect Arbitrum with a centralized exchange (CEX) like Bybit. However, the most commonly used wallet is MetaMask. Here’s how to connect Arbitrum Bridge to MetaMask.
The Arbitrum ecosystem enables users to connect with the Arbitrum platform and the bridge from the CEX or web3 DApp, in this case, MetaMask wallet. MetaMask allows users to add the Arbitrum network to their MetaMask wallet in the following two ways:
Arbitrum offers a hassle-free method for adding network details to the MetaMask wallet. Using the one-click approach, visit the Arbitrum Bridge website. Click on Add/Switch to Arbitrum Network. You’ll receive a pop-up message from the MetaMask wallet. Click on Approve and the Arbitrum Bridge will be added to your MetaMask wallet.
To manually connect the Arbitrum Bridge to your MetaMask wallet, access your MetaMask wallet and click on Settings → Network → Add Network, and fill in the following information:
Click on Save and the Arbitrum Bridge will be added to your MetaMask wallet.
Using the Arbitrum Bridge, you can transfer ETH and other supporting ERC-20 tokens from the L1 Ethereum to the L2 Arbitrum network. In order to bridge the assets, you must ensure that your MetaMask wallet (or any other DApp) supports ETH or runs on the Ethereum mainnet.
While carrying out these transactions, beware of potential smart contract and price risks — i.e., a potential security breach in any given smart contract and/or price changes due to market fluctuations.
The Arbitrum network offers a sustainable way to bridge your assets to the L2 Arbitrum network and make the most of web3 DApps. Arbitrum One supports an unlimited number of DApps, with UniSwap, Balancer and Curve being the most popular. Simply connect your wallet to Arbitrum Bridge to attain the unmatched speed and lower gas fees, and you’re ready to go.