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How to Bridge Ethereum to Arbitrum

How to Bridge Ethereum to Arbitrum

Sara White
Fact Checked
Oct 10, 2022

Summary: The best way to bridge from Ethereum to the Arbitrum Layer 2 is through a trusted cross-chain DEX. We recommend a platform like Synapse Protocol because they trade the most between ETH and Arbitrum by 24 hour volume.

The Synapse Protocol allows users to bridge ETH, USDC, USDT AND DAI from Ethereum mainnet to any Layer 2 with a MetaMask or alternative wallet for low fees.

Table of Contents

Best Arbitrum Bridge

Platform Highlights

  • Fastest and most trusted Ethereum to Arbitrum cross-chain DEX.
  • Lowest fees and slippage for cross-chain swaps.
  • Synapse Arbitrum bridge has the most trading volume in DeFi.

How to Bridge ETH to Arbitrum

The easiest way to bridge from the Ethereum Mainnet to the Arbitrum One L2 network is through a cross-chain DEX called Synapse Protocol. This application will let you send a variety of tokens from ETH to any L2 with low fees and minimal slippage.

You can get started with the following 4 step guide:

  1. Visit Synapse and connect your Metamask or Web3 Wallet.
  2. Select Ethereum as your current chain, and Arbitrum as your destination chain.
  3. Select the token you want to transfer (ETH, USDC, USDT or DAI) and the amount you want to transfer.
  4. Sign and complete the transaction (will take 2 minutes to hit your wallet).
Synapse to Arbitrum Bridge
Bridging 0.03 ETH to Arbitrum.

ETH to Arbitrum Transfer Fees

The fees to transfer your tokens from ETH to Arbitrum can be up to $50 USD depending on the gas prices of Ethereum mainnet. Unfortunately ,this cost cannot be avoided by using a different DEX because it is the price for blockspace on the Ethereum protocol.

When compared to other DEX's like Multichain or ELK, Synapse is by far the cheapest way to swap from ETH to Arbitrum. Their liquidity model allows for low and sometimes positive slippage between networks.

How to use the Arbitrum Bridge

If you would prefer to use the Arbitrum Bridge, the process is effectively the exact same as using the Synapse bridge as mentioned above. The main different between the Arbitrum Bridge vs Synapse Bridge is that we found the fees and slippage to be slightly higher on the Arbitrum Bridge.

We also found the user experience and user interface of the native Arbitrum Bridge to be clunky and less intuitive than alternatives like Synapse or Stargate Finance. The image below is an example of our team using the Arbitrum Bridge to move USDT from Ethereum mainnet to the Arbitrum Layer 2 network.

Arbitrum Bridge
Bridging 50 USDT from ETH to Arbitrum.

Is the Arbitrum L2 Safe?

Yes the Arbitrum L2 network is a safe scaling solution built oon topof the Ethereum network. Their platform alongside the Optimism L2 are the largest optimistic roll-ups on the ETH network.

Be careful when interacting with new Dapps on the Arbitrum network however, as many projects are using unverified and unaudited smart contracts. These can be dangerous and you can lose your funds if not careful.

About Arbitrum L2

The Arbitrum blockchain is a type of Layer 2 scaling solution for Ethereum which uses rollups to aggregate multiple transactions into a single transaction, thereby reducing on-chain transaction costs and increasing scalability.

Arbitrum Ecosystem

Arbitrum L2 Rollups are created by the team at Offchain Labs, who are also the creators of the Arbitrum protocol. The Arbitrum protocol is a trustless, decentralized protocol that allows for scalable, secure off-chain computation.

The use of rollups enables Arbitrum L2 to provide scalability without sacrificing security or decentralization. All transactions on Arbitrum L2 are final and cannot be reversed, making it ideal for use cases that require high security and/or need to avoid congestion on the Ethereum mainnet.

Sara White

I fell into crypto during the 2017 mania and have been around ever-since. I know write, research and publish my own reports on the digital asset ecosystem.

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