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BNB to Optimism Bridge

Move BNB to Optimism via Symbiosis — non-custodial, low fees, best available routing. Access Velodrome, Aave, and Optimism L2 DeFi without extra steps.

BNB to Optimism Bridge Now
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Numbers

Proven performance

+ chains

Supported Networks

+ chains

Supported Networks

years

On the Market

years

On the Market

sec

Average Bridge Time

sec

Average Bridge Time

exploits

Since Launch

exploits

Since Launch

How to Bridge BNB to Optimism

  1. Connect an EVM wallet. Open the bridge interface and connect MetaMask, Rabby, or Trust Wallet. The same 0x address works on both BNB Chain and Optimism.

  2. Select BNB Chain as source. Choose BNB Chain (BSC) as the source network and select the BNB asset you want to bridge. Confirm your wallet is set to BNB Chain before proceeding.

  3. Select Optimism as destination. Choose Optimism / OP Mainnet (chainId 10) as the destination — not opBNB. Your destination address is auto-populated from the connected wallet.

  4. Review the receive asset. Confirm the quote shows OP on Optimism. Note that OP is the governance token; ETH pays gas on Optimism, so keep a small ETH balance for future transactions.

  5. Confirm and receive OP. Sign the BNB Chain transaction and wait for completion. Switch your wallet to Optimism / OP Mainnet to view your OP balance at the same 0x address.

About BNB to Optimism route

This route moves BNB from BNB Chain to the OP governance token on Optimism / OP Mainnet, chainId 10. Optimism One is an Ethereum Layer 2 — distinct from opBNB, which settles on BSC despite sharing OP Stack technology. If you prefer a different L2 destination, consider bridging BNB to Arbitrum for alternative ecosystem access.

Both chains use EVM 0x addresses, so your wallet address stays the same across networks. OP is not the gas token on Optimism; ETH pays transaction fees, so plan accordingly if you need gas for Velodrome, Synthetix, Uniswap v3, or Aave v3 on OP Mainnet. For a detailed look at routing options, see our BNB to Optimism bridge comparison.

Estimated fees

Transfer your ETH to BNB Chain in seconds with the best rates available.

BNB to Optimism Bridge Now

Approximate fees and swap time based on historical averages, updated 3x/week. Actual values may vary.

Amount

Amount

Receive

Receive

Fee + Gas

Fee + Gas

Time

Time

1 BNB

1 BNB

4472 OP

4472 OP

~$0.50

~$0.50

~1 Min

~1 Min

5 BNB

5 BNB

22355 OP

22355 OP

~$2.34

~$2.34

~1 Min

~1 Min

10 BNB

10 BNB

44601 OP

44601 OP

~$0.50

~$0.50

~1 Min

~1 Min

25 BNB

25 BNB

110140 OP

110140 OP

~$0.50

~$0.50

~1 Min

~1 Min

Benefits

Why Symbiosis

Best route aggregation

Symbiosis scans liquidity across multiple DEXs and chains via Octopools AMM, finding the optimal path for your bridge with minimal slippage.

Best route aggregation

Symbiosis scans liquidity across multiple DEXs and chains via Octopools AMM, finding the optimal path for your bridge with minimal slippage.

Best route aggregation

Symbiosis scans liquidity across multiple DEXs and chains via Octopools AMM, finding the optimal path for your bridge with minimal slippage.

Non-custodial & secure

Your assets stay in your wallet until the bridge executes. No custody, no KYC, no intermediaries. Audited smart contracts with an active bug bounty program.

Non-custodial & secure

Your assets stay in your wallet until the bridge executes. No custody, no KYC, no intermediaries. Audited smart contracts with an active bug bounty program.

Non-custodial & secure

Your assets stay in your wallet until the bridge executes. No custody, no KYC, no intermediaries. Audited smart contracts with an active bug bounty program.

Cross-VM coverage

Bridge across Ethereum, BNB Chain, Solana, Arbitrum, Polygon, TON, Tron, Bitcoin and 50+ more — both EVM and non-EVM chains in one route.

Cross-VM coverage

Bridge across Ethereum, BNB Chain, Solana, Arbitrum, Polygon, TON, Tron, Bitcoin and 50+ more — both EVM and non-EVM chains in one route.

Cross-VM coverage

Bridge across Ethereum, BNB Chain, Solana, Arbitrum, Polygon, TON, Tron, Bitcoin and 50+ more — both EVM and non-EVM chains in one route.

Two chains. One click

Bridge BNB to OP — non-custodial, low fees, no KYC.

Bridge BNB → OP
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FAQs

Got questions?

Still have questions? Contact us and we’ll help you out.

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01

Is this page about bridging to Optimism or to opBNB? What is the difference?

This page covers bridging BNB from BNB Smart Chain to Optimism — not opBNB. The naming confusion stems from shared technology: both networks use OP Stack architecture. Optimism is a Layer-2 on Ethereum where you pay gas in ETH and receive OP governance tokens. opBNB is a Layer-2 on BNB Chain where gas is paid in BNB. They are entirely separate networks with different parent chains and ecosystems. If you need to move assets to opBNB instead, use the official opBNB bridge instead.

This page covers bridging BNB from BNB Smart Chain to Optimism — not opBNB. The naming confusion stems from shared technology: both networks use OP Stack architecture. Optimism is a Layer-2 on Ethereum where you pay gas in ETH and receive OP governance tokens. opBNB is a Layer-2 on BNB Chain where gas is paid in BNB. They are entirely separate networks with different parent chains and ecosystems. If you need to move assets to opBNB instead, use the official opBNB bridge instead.

02

What is a BNB to Optimism bridge?

A BNB to Optimism bridge is a cross-chain protocol that transfers value from BNB Smart Chain to the Optimism network without requiring a centralized exchange. The bridge locks or converts your BNB on the source chain and releases equivalent tokens on Optimism. Symbiosis operates as a non-custodial cross-chain protocol that completes this operation in a single transaction, routing through optimal liquidity paths via its Octopools AMM. Both chains are EVM-compatible, so your existing MetaMask address works on both networks.

A BNB to Optimism bridge is a cross-chain protocol that transfers value from BNB Smart Chain to the Optimism network without requiring a centralized exchange. The bridge locks or converts your BNB on the source chain and releases equivalent tokens on Optimism. Symbiosis operates as a non-custodial cross-chain protocol that completes this operation in a single transaction, routing through optimal liquidity paths via its Octopools AMM. Both chains are EVM-compatible, so your existing MetaMask address works on both networks.

03

How do I bridge BNB to Optimism?

Connect your wallet to Symbiosis and select BNB Smart Chain as the source network. Choose Optimism as your destination and enter the BNB amount you want to transfer. The interface displays your expected output and all fees before confirmation. Review the transaction details, then approve and confirm. Gas on the BNB Chain side is paid in BNB. Your same 0x wallet address receives tokens on Optimism — no separate wallet setup required. The cross-chain bridge executes in a single transaction with real-time tracking available.

Connect your wallet to Symbiosis and select BNB Smart Chain as the source network. Choose Optimism as your destination and enter the BNB amount you want to transfer. The interface displays your expected output and all fees before confirmation. Review the transaction details, then approve and confirm. Gas on the BNB Chain side is paid in BNB. Your same 0x wallet address receives tokens on Optimism — no separate wallet setup required. The cross-chain bridge executes in a single transaction with real-time tracking available.

04

How do I add Optimism network to MetaMask after bridging?

After bridging BNB to Optimism, add the network to MetaMask to view your tokens. Manual setup: Network Name = Optimism, RPC URL = https://mainnet.optimism.io, Chain ID = 10, Currency Symbol = ETH, Block Explorer = https://optimistic.etherscan.io. Alternatively, visit Chainlist.org, search for Optimism, and click 'Add to MetaMask' for one-click configuration. Important: Optimism uses ETH for gas fees, not OP tokens — ensure you have a small ETH balance on Optimism for subsequent transactions.

After bridging BNB to Optimism, add the network to MetaMask to view your tokens. Manual setup: Network Name = Optimism, RPC URL = https://mainnet.optimism.io, Chain ID = 10, Currency Symbol = ETH, Block Explorer = https://optimistic.etherscan.io. Alternatively, visit Chainlist.org, search for Optimism, and click 'Add to MetaMask' for one-click configuration. Important: Optimism uses ETH for gas fees, not OP tokens — ensure you have a small ETH balance on Optimism for subsequent transactions.

05

How much does it cost to bridge BNB to Optimism?

Bridging BNB to Optimism via Symbiosis includes a protocol fee plus network gas on BNB Smart Chain. BNB Chain gas typically costs cents due to low network fees. The exact bridge fee varies based on current liquidity conditions and route optimization. Symbiosis displays your complete output amount before you confirm — no hidden charges or withdrawal fees. Note that after arriving on Optimism, you will need ETH for gas to interact with Optimism DeFi protocols, since Optimism is an Ethereum Layer-2.

Bridging BNB to Optimism via Symbiosis includes a protocol fee plus network gas on BNB Smart Chain. BNB Chain gas typically costs cents due to low network fees. The exact bridge fee varies based on current liquidity conditions and route optimization. Symbiosis displays your complete output amount before you confirm — no hidden charges or withdrawal fees. Note that after arriving on Optimism, you will need ETH for gas to interact with Optimism DeFi protocols, since Optimism is an Ethereum Layer-2.

06

Is it safe to bridge BNB to Optimism using Symbiosis?

Symbiosis operates as a fully non-custodial cross-chain protocol — no central party holds your funds at any point during the transfer. Smart contracts are audited with an active bug bounty program incentivizing security researchers to identify vulnerabilities. No KYC or registration is required; you connect your wallet and execute directly. Unlike the native opBNB bridge which requires a 7-day withdrawal challenge window, Symbiosis cross-chain transfers complete within minutes depending on network conditions.

Symbiosis operates as a fully non-custodial cross-chain protocol — no central party holds your funds at any point during the transfer. Smart contracts are audited with an active bug bounty program incentivizing security researchers to identify vulnerabilities. No KYC or registration is required; you connect your wallet and execute directly. Unlike the native opBNB bridge which requires a 7-day withdrawal challenge window, Symbiosis cross-chain transfers complete within minutes depending on network conditions.

07

What is the difference between Optimism and opBNB?

Optimism is a Layer-2 scaling solution built on Ethereum — gas is paid in ETH, and OP is its governance token for protocol voting. opBNB is a Layer-2 built on BNB Chain — gas is paid in BNB. Both networks use OP Stack technology (developed by Optimism), which creates the naming confusion. They operate on completely different parent chains with separate DeFi ecosystems. Optimism connects to Ethereum-native protocols like Velodrome, Synthetix, and Aave. opBNB connects to BNB Chain protocols. If you want another OP Stack destination, bridging BNB to Base offers a Coinbase-backed alternative. Choose based on your destination ecosystem.

Optimism is a Layer-2 scaling solution built on Ethereum — gas is paid in ETH, and OP is its governance token for protocol voting. opBNB is a Layer-2 built on BNB Chain — gas is paid in BNB. Both networks use OP Stack technology (developed by Optimism), which creates the naming confusion. They operate on completely different parent chains with separate DeFi ecosystems. Optimism connects to Ethereum-native protocols like Velodrome, Synthetix, and Aave. opBNB connects to BNB Chain protocols. If you want another OP Stack destination, bridging BNB to Base offers a Coinbase-backed alternative. Choose based on your destination ecosystem.

08

What can I do with tokens on Optimism after bridging from BNB Chain?

After bridging to Optimism, you access Ethereum's Layer-2 DeFi ecosystem. Velodrome is Optimism's native DEX with deep liquidity for token exchanges. Synthetix offers synthetic asset trading. Uniswap v3 provides low-fee token conversions. Aave v3 enables lending and borrowing against your holdings. OP tokens specifically grant governance voting rights in Optimism protocol decisions. To understand how cross-chain activity has grown on this network, read about Optimism bridge milestones. Remember: all Optimism transactions require ETH for gas — the OP token is for governance, not transaction fees.

After bridging to Optimism, you access Ethereum's Layer-2 DeFi ecosystem. Velodrome is Optimism's native DEX with deep liquidity for token exchanges. Synthetix offers synthetic asset trading. Uniswap v3 provides low-fee token conversions. Aave v3 enables lending and borrowing against your holdings. OP tokens specifically grant governance voting rights in Optimism protocol decisions. To understand how cross-chain activity has grown on this network, read about Optimism bridge milestones. Remember: all Optimism transactions require ETH for gas — the OP token is for governance, not transaction fees.

Popular bridges

Bridge routes

Tether USD (USDT)
Tron (TRX)

TRX → USDT

Tether USD (USDT)
Tron (TRX)

TRX → USDT

BNB Chain (BNB)
Tron (TRX)

USDT → USDT

BNB Chain (BNB)
Tron (TRX)

USDT → USDT

Ethereum (ETH)
Tron (TRX)

USDT → USDT

Ethereum (ETH)
Tron (TRX)

USDT → USDT

Solana (SOL)
USD Coin (USDC)

USDC → SOL

Solana (SOL)
USD Coin (USDC)

USDC → SOL

Ethereum (ETH)
Bitcoin (BTC)

BTC → ETH

Ethereum (ETH)
Bitcoin (BTC)

BTC → ETH

Ethereum (ETH)
BNB Coin (BNB)

BNB → ETH

Ethereum (ETH)
BNB Coin (BNB)

BNB → ETH

Solana (SOL)
Base

BASE → SOL

Solana (SOL)
Base

BASE → SOL

Solana (SOL)
BNB Coin (BNB)

BNB → SOL

Solana (SOL)
BNB Coin (BNB)

BNB → SOL

Solana (SOL)
Polygon (POL)

POL → SOL

Solana (SOL)
Polygon (POL)

POL → SOL

Wrap Bitcoin (wBTC)
Bitcoin (BTC

BTC → WBTC

Wrap Bitcoin (wBTC)
Bitcoin (BTC

BTC → WBTC

Base
Arbitrum (ARB)

ARB → BASE

Base
Arbitrum (ARB)

ARB → BASE

Base
Polygon (POL)

POL → BASE

Base
Polygon (POL)

POL → BASE

Polygon (POL)
BNB Coin (BNB)

BNB → POL

Polygon (POL)
BNB Coin (BNB)

BNB → POL

Base
BNB Coin (BNB)

BNB → BASE

Base
BNB Coin (BNB)

BNB → BASE

Tron (TRX)
BNB Coin (BNB)

BNB → TRX

Tron (TRX)
BNB Coin (BNB)

BNB → TRX

BNB Coin (BNB)
Ethereum (ETH)

ETH → BNB

BNB Coin (BNB)
Ethereum (ETH)

ETH → BNB

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