BNB Smart Chain to OP Mainnet (Optimism) bridge
BNB
All ways to move coins from BNB Smart Chain to OP Mainnet (Optimism) on Crystal-Trade: pick a direction, send coins over BNB Smart Chain and receive them at your OP Mainnet (Optimism) address.
Rate updated: Sep 11, 2026, 20:53
- From network
- BNB Smart Chain
- To network
- OP Mainnet (Optimism)
- Fees are paid in
- ETH
- Address format
- 0x…
Directions from BNB Smart Chain to OP Mainnet (Optimism)
| Network | Direction | Rate | Minimum |
|---|---|---|---|
| BNB Smart Chain | ETH BEP20 → ETH Optimism | 1 ETH BEP20 = 0.9999 ETH Optimism | 0.08616 ETH BEP20 |
BNB Smart Chain vs OP Mainnet (Optimism): network comparison
| BNB Smart Chain | OP Mainnet (Optimism) | |
|---|---|---|
| Network type | Layer 1 | Layer 2 (optimistic rollup) |
| Fees are paid in | BNB | ETH |
| Fee level | low | low |
| Speed | fast | fast |
| Block time | — | ~2 sec |
| Address format | 0x… | 0x… |
| Memo / tag | not needed | not needed |
| EVM-compatible addresses (0x…) | yes | yes |
| Withdrawal to Ethereum via the official bridge | — | ~7 days (challenge period) |
Fee and speed levels are relative and depend on network load.
Crystal-Trade or a classic bridge: what is the difference
| Crystal-Trade | Classic bridge | |
|---|---|---|
| What you receive | Native ETH or standard OP Mainnet (Optimism) tokens | Depends on the bridge: on some networks it is a bridged version of the token |
| Wallet connection and approvals | Not needed: you send coins to the order address | Needed: you connect a wallet and sign contract transactions |
| Coins for fees on OP Mainnet (Optimism) | Not needed to receive | Often needed to claim funds or move them after the bridge |
| Time | After the BNB Smart Chain confirmations; the status is shown on the order page | Depends on the bridge and the load of both networks |
| Who holds the funds during the transfer | Crystal-Trade, for the duration of the order (with an AML check) | The bridge smart contract or its validators |
How to move coins from BNB Smart Chain to OP Mainnet (Optimism)
- Choose a direction in the table above and enter the amount in the calculator on its page.
- Paste your OP Mainnet (Optimism) address (0x…) to receive the coins.
- Send the coins over the BNB Smart Chain network to the address from the order, exactly in the amount shown.
- After the BNB Smart Chain confirmations, the coins are sent to your OP Mainnet (Optimism) address. The status is shown on the order page.
Before you bridge to OP Mainnet (Optimism)
- The receiving address must be on the OP Mainnet (Optimism) network (0x…).
- Addresses on Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon look the same (0x…): make sure the wallet shows OP Mainnet (Optimism) as the network.
- Send coins over BNB Smart Chain only — a transfer over another network will not reach the order.
- Funds go through an AML check; high-risk transfers may be held until the check is complete.
BNB Smart Chain to OP Mainnet (Optimism) bridge: FAQ
How do I bridge from BNB Smart Chain to OP Mainnet (Optimism)?
On Crystal-Trade a bridge is an exchange order: you send coins over BNB Smart Chain and receive ETH at your OP Mainnet (Optimism) address. No bridge contracts, wallet connection or wrapped tokens are involved.
Which assets can I move from BNB Smart Chain to OP Mainnet (Optimism)?
Available now: ETH. The table above lists every direction with its rate and minimum.
How long does a transfer from BNB Smart Chain to OP Mainnet (Optimism) take?
The order is processed after the BNB Smart Chain network confirms your transfer, then the coins are sent over OP Mainnet (Optimism).
What do I need to pay fees on OP Mainnet (Optimism)?
Fees on OP Mainnet (Optimism) are paid in ETH. You do not need ETH to receive coins, only to send them later.
Which address do I need for OP Mainnet (Optimism)?
An address on the OP Mainnet (Optimism) network: 0x… An Ethereum-style address (0x…) works, but the wallet must be set to OP Mainnet (Optimism).
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