Want to move crypto like ETH or USDC from Base, a fast Ethereum Layer 2, to Ethereum mainnet? Bridging Base to Ethereum is straightforward! This beginner-friendly guide includes RPC details and shows you how to bridge Base to Ethereum safely.
Why Bridge Base to Ethereum?
Moving assets from Base to Ethereum lets you:
- Use tokens on DeFi apps like Uniswap.
- Store assets securely on Ethereum mainnet.
- Access Ethereum-only dApps, like Aave.
Easy Steps to Bridge Base to Ethereum
1. Set Up Your Wallet
- Use a wallet like MetaMask or Coinbase Wallet.
- Add the Base network with these RPC details:
- Network Name: Base Mainnet
- RPC URL: https://mainnet.base.org
- Chain ID: 8453
- Currency Symbol: ETH
- Block Explorer URL: https://basescan.org
- Or add Base via Chainlist.
- Keep some ETH on Base for gas fees (< $1).
2. Choose a Bridge
The Official Base Bridge is perfect for bridging Base to Ethereum. Other options include:
- Superbridge (easy to use).
- Defiway (0.2% fee).
- Rhino.fi (0.19% fee).
We’ll use the Official Base Bridge here.
3. Connect Your Wallet
- Visit bridge.base.org.
- Click “Connect Wallet” and select MetaMask or Coinbase Wallet.
- Ensure your wallet is on the Base network.
4. Select Your Asset
- Set Base as the “from” network and Ethereum as the “to” network.
- Choose your asset (e.g., ETH or USDC). Verify tokens on BaseScan.
- Enter the amount to bridge, saving ETH for gas fees.
5. Confirm the Transaction
- Review details: amount, gas fees, and any bridge fees.
- Click “Bridge” and approve in your wallet to start the transfer from Base to Ethereum.
- Your assets are locked on Base for the move.
6. Wait for the Transfer
- Bridging from Base to Ethereum can take up to 7 days due to security checks (optimistic rollup).
- Track progress on BaseScan.
7. Claim on Ethereum
- After the wait, switch your wallet to Ethereum.
- Return to bridge.base.org and click “Claim” to finalize the Base to Ethereum transfer.
- Have ETH on Ethereum for gas fees ($5–$100, based on traffic). Check Etherscan Gas Tracker.
8. Verify Your Assets
- Check your Ethereum wallet to confirm assets arrived.
- Use Etherscan to verify with your wallet address.
Faster Option: Coinbase Wallet
With Coinbase Wallet, skip fees and delays:
- Send Base ETH to your Coinbase account (select “Base” network).
- Send to your Ethereum wallet (select “Ethereum” network).
- Done! It’s instant, with only Coinbase’s usual fees.
Tips for Safe Bridging
- Test First: Try a small amount to ensure bridging Base to Ethereum works.
- Avoid Scams: Use trusted bridges like bridge.base.org.
- Save on Fees: Claim when gas is low via Etherscan Gas Tracker.
- Check Tokens: Verify contracts on BaseScan.
Costs for Bridging
- Base Gas Fees: Under $1.
- Ethereum Gas Fees: $5–$100 to claim.
- Bridge Fees: Free with Official Base Bridge; others charge ~0.2%.
Start Bridging Base to Ethereum Now!
Ready to bridge Base to Ethereum? Visit bridge.base.org and follow these steps. Need help? Check Base Docs or join Base Discord.
Questions about bridging? Comment below ! More crypto guides coming soon.
