How to Bridge ETH to Optimism on Hop

L2 networks allow you to process easier and cheaper transactions while taking advantage of Ethereum’s security. This also applies to bridging, notably one of the most expensive and technically complex interactions you can have with blockchains.

Today, we'll be learning how you can bridge ETH to the Optimism Network in a budget friendly way on Hop.

In this guide, you’ll learn:

  1. What is an L2?

  2. What is Hop Protocol?

  3. How to Add the OP Network to your wallet.

  4. How to Bridge some funds to OP using Hop.

What You’ll Need to Complete this Task

In order to complete this task, you’ll need the following:

  • An Ethereum wallet, such as MetaMask.

  • The Optimism Network added to your wallet (We’ll go over how to do this in a moment)

  • Some ETH in your wallet to send to the Optimism Network, and to cover gas fees.

Hop is a key player in enabling the L2 ecosystem to scale. If you’d like to understand how liquidity pools work, which will bring you some clarity on how Hop works; as well as the value Layer 2 networks bring to the ETH ecosystem, you’ll love our dedicated articles at the RabbitHole Learn Hub!

Before we Start

What is an L2 Network? Ethereum Layer 2 Networks are a way to submit Ethereum transactions in bulk by packaging thousands of them together before sending them over to the main Ethereum Network. This approach significantly reduces transaction costs of your everyday crypto transactions like swapping tokens and sending them to your friends’ wallets down to mere pennies for the most part.

By using L2s, you can participate in web3 with all of the security and decentralization perks of Ethereum, while saving bank on exorbitant gas fees caused by congestion on Ethereum’s L1 chain.

What is Hop Protocol? Most bridges before Hop were a convoluted mess that involved sending your funds to a centralized party in order for them to submit the same amount into another chain. Hop simplifies this by using Liquidity Pool mechanics to streamline the process to help ensure your funds won’t be lost in the process.

You can use Hop to bridge the most commonly used tokens (like stablecoins and ETH) across the entire ETH L2 roster, which includes networks like Optimism, Arbitrum, and Polygon; for a fraction of the fees.


How to Bridge ETH to Optimism with Hop

Step 1 – Add the Optimism Network to your Wallet.

Before bridging your ETH to Optimism, add the Optimism network to your wallet. iYou can do this quickly by going to chainlist.org, searching for “Optimism”, and connecting your wallet to the network.

You can also add it by clicking the “Add Network” button in the Metamask drop-down menu and add the following inputs into the required fields:

Once you’ve added the Optimism Network to your wallet, you’ll be able to switch to it whenever you want to use OP apps.

Step 2 – Go to Hop and Connect your Wallet.

With the OP Network added to your wallet, you can now head over to app.hop.exchange and send some ETH over to Optimism. Just click the “Use Hop” button in the homepage and connect your wallet to the app.

Step 3 – Set up the Bridge.

As we mentioned, you can use Hop to send all kinds of tokens to L2. For today’s task, we’ll be sending ETH to the Optimism Network.

Just select ETH as the currency you want to bridge and pick Ethereum (or your preferred EVM chain like Polygon or Arbitrum) as the source on the drop-down menu input field, type in the amount of ETH you want to send, add Optimism as the receiving chain, and click the “Send” button. If this is your first time using Hop, you’ll also have to approve this token pair for bridging.

Step 4 – Submit the Transaction.

Make sure the gas fees, as well as the exchange rate look good before submitting the transaction. Once you’ve double checked these amounts, just approve the transaction from your wallet, and your request to send funds will be submitted to Hop.

It’ll usually take a few moments before the funds show up in your Optimism wallet, so just sit back and relax while they’re reflected in your balances.

You’re all Done!

You’re now playing with L2 Networks! After your ETH appears on your OP wallet, you’ll now be able to transact in the network and try out all sorts of innovative apps in the L2 ecosystem.

If you’re interested in learning more about the apps at your disposal in the OP network, you might be interested in reading our “How to Mint an NFT in Quix” and “How to Swap ETH to OP on Uniswap” guides.

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