How to Swap opBNB to BNB: A Step-by-Step Guide for Beginners

opBNB is a Layer 2 scaling solution built on the BNB Chain that enables fast and affordable transactions. If you’ve been using opBNB and want to move your assets back to the BNB Chain mainnet, you’ll need to bridge or swap your tokens, usually from opBNB back to BNB. This guide explains how to do that safely and efficiently.

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How to Swap opBNB to BNB

What is opBNB?

opBNB is a Layer 2 blockchain that runs on top of the BNB Smart Chain (BSC), using Optimism’s OP Stack. This makes it:

  • Faster and cheaper than the BNB mainnet
  • Compatible with MetaMask and other EVM wallets
  • Ideal for users and developers who want low-cost interactions with dApps

However, since it’s a separate network, moving assets between opBNB and BSC requires using a bridge rather than a typical swap.

Can You Swap opBNB to BNB directly?

No, you can’t swap opBNB to BNB directly like a regular DEX trade.

Instead, you’ll need to bridge your tokens from the opBNB network back to the BNB Smart Chain (also called BSC). Once your assets are on BSC, you can:

  • Use them in dApps like PancakeSwap
  • Swap them for other tokens
  • Send them to a centralized exchange (CEX)

How to Swap opBNB to BNB Using the opBNB Bridge

Follow these steps to safely bridge your tokens from opBNB back to BSC:

  1. Go to the Official BNB Chain Bridge
    Visit the official BNB bridge at https://bridge.bnbchain.org
    (Always double-check the URL before connecting your wallet.)
  2. Connect Your Wallet
    Click “Connect Wallet” and select MetaMask. Make sure you’re connected to the opBNB network in MetaMask.
  3. Select the Source and Destination Networks
    • From: opBNB
    • To: BNB Smart Chain (BSC)
  4. Choose the Token to Bridge
    Select BNB or another supported token. Make sure the token is available on both networks.
  5. Enter the Amount to Bridge
    Type in how much you want to move from opBNB to BSC.
  6. Approve and Confirm in MetaMask
    You’ll first need to approve the token (if it’s your first time), then confirm the bridge transaction.
  7. Wait for Confirmation
    Bridging usually takes a few minutes. Be patient — your tokens will appear on the BNB Chain after the transaction is finalized.

After Bridging: Swap or Use BNB on BSC

Once your tokens arrive on the BNB Smart Chain, you can:

  • Use Them in dApps
    Engage with DeFi platforms, NFT marketplaces, or games on BSC.
  • Swap on PancakeSwap
    Trade your BNB for other tokens using PancakeSwap or a similar decentralized exchange.
  • Send to a Centralized Exchange
    If you prefer, transfer your BNB to an exchange like Binance for trading or withdrawal to fiat.
Tips
  • ✅ Always verify links — phishing sites often mimic real bridges.
  • ✅ Keep some BNB on both opBNB and BSC for gas fees — even small amounts will help cover transactions.
  • ✅ Check token addresses — if you’re bridging non-native tokens, make sure the token exists and is supported on both networks to avoid loss.

Swapping opBNB to BNB involves bridging your assets back to the BNB Smart Chain using the official bridge. It’s a straightforward process once you know the steps, and it gives you full access to BSC dApps and exchanges.

Now you’re ready to move assets safely between opBNB and BSC like a pro!