OP Stack

To bridge funds using OP Stack, follow these steps:

1. Select Sepolia Network in MetaMask

   • Ensure that your MetaMask wallet is connected to the Sepolia Test Network

2. Send Tokens to the Bridge Address

   • Obtain the bridge contract address for your OP Stack devnet from the Alchemy Rollup page
     • Log in to your Alchemy account
     • Go to the Rollups page from the Chain section
     • Access or create your OP Stack rollup
     • Copy the Bridge Address
   • Send ETH or ERC-20 tokens from Ethereum (Sepolia) to the bridge address

Arbitrum Orbit

To bridge funds using Arbitrum Orbit, follow these steps:

1. Obtain the Configuration File

   • Download the configuration file from the Alchemy Rollup page
     • Log in to your Alchemy account
     • Go to the Rollups page from the Chain section
     • Access or create your Arbitrum Orbit rollup
     • Click on the View Bridge Config button
     • Copy the configuration

2. Visit the Arbitrum Bridge

   • Navigate to the official Arbitrum bridge at https://bridge.arbitrum.io/

3. Connect Your Wallet

   • Open your MetaMask wallet and connect it to the bridge

4. Enable Developer Mode

   • Go to Settings from the top-right corner
   • On the Developer section, enable Testnet Mode

5. Import the Configuration File

• Paste the configuration file details into the bridge interface
• Click Add Chain to register your custom rollup network

6. Bridge Funds

• In the bridge interface, select your custom rollup chain
• Move funds from Ethereum (L1) to your Arbitrum Rollup (L2)