Arbitrum One to OP Mainnet (Optimism) bridge
All ways to move coins from Arbitrum One to OP Mainnet (Optimism) on Crystal-Trade: pick a direction, send coins over Arbitrum One and receive them at your OP Mainnet (Optimism) address.
Rate updated: Sep 11, 2026, 19:18
- From network
- Arbitrum One
- To network
- OP Mainnet (Optimism)
- Fees are paid in
- ETH
- Address format
- 0x…
Directions from Arbitrum One to OP Mainnet (Optimism)
| Network | Direction | Rate | Minimum |
|---|---|---|---|
| Arbitrum One | ETH Arbitrum → ETH Optimism | 1 ETH Arbitrum = 0.9999 ETH Optimism | 0.08616 ETH Arbitrum |
Arbitrum One vs OP Mainnet (Optimism): network comparison
| Arbitrum One | OP Mainnet (Optimism) | |
|---|---|---|
| Network type | Layer 2 (optimistic rollup) | Layer 2 (optimistic rollup) |
| Fees are paid in | ETH | ETH |
| Fee level | low | low |
| Speed | fast | fast |
| Block time | ~0.25 sec | ~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) | ~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 Arbitrum One 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 Arbitrum One 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 Arbitrum One network to the address from the order, exactly in the amount shown.
- After the Arbitrum One 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 Arbitrum One 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.
Arbitrum One to OP Mainnet (Optimism) bridge: FAQ
How do I bridge from Arbitrum One to OP Mainnet (Optimism)?
On Crystal-Trade a bridge is an exchange order: you send coins over Arbitrum One 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 Arbitrum One to OP Mainnet (Optimism)?
Available now: ETH. The table above lists every direction with its rate and minimum.
How long does a transfer from Arbitrum One to OP Mainnet (Optimism) take?
The order is processed after the Arbitrum One network confirms your transfer, then the coins are sent over OP Mainnet (Optimism). A new Arbitrum One block appears about every 0.25 sec.
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).
Other bridges
Reverse bridge
Other bridges to OP Mainnet (Optimism)
Other bridges from Arbitrum One
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- BNBArbitrum One → BNB Smart ChainUSDT and ETH
Arbitrum One → TRONUSDT
Arbitrum One → SolanaUSDT and USDC
Arbitrum One → Polygon PoSUSDT
Arbitrum One → TONUSDT
Arbitrum One bridge OP Mainnet (Optimism) bridge All bridges