Bridge ETH from Arbitrum One to OP Mainnet (Optimism)
Move ETH from Arbitrum One to OP Mainnet (Optimism) in one order: send ETH Arbitrum and receive ETH Optimism at your OP Mainnet (Optimism) address. No bridge contracts, wallet connection or wrapped tokens.
Rate updated: Sep 11, 2026, 14:38
- From network
- Arbitrum One
- To network
- OP Mainnet (Optimism)
- You receive
- native ETH on OP Mainnet (Optimism)
- Minimum
- 0.08616 ETH Arbitrum ≈ $211.49
The amount you get is estimated at the current rate.
⇄ Reverse exchange ETH Optimism → ETH ArbitrumThe ETH Arbitrum → ETH Optimism bridge runs at 1 ETH Arbitrum = 0.9999 ETH Optimism. For 100 ETH Arbitrum you receive 99.99 ETH Optimism; the amount is calculated by this rate, and you only pay the Arbitrum One fee for your own transfer. You can bridge from 0.08616 ETH Arbitrum. That is about $211.49.
On OP Mainnet (Optimism) fees are paid in ETH, so the ETH Optimism you receive can be used right away.
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 on OP Mainnet (Optimism) | 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 |
ETH Arbitrum → ETH Optimism: amounts at the current rate
How much ETH Optimism you get for ETH Arbitrum
| ETH Arbitrum | ETH Optimism | ≈ USD |
|---|---|---|
| 0.1 | 0.09999 | $245.46 |
| 0.2 | 0.19998 | $490.92 |
| 1 | 0.9999 | $2,454.62 |
| 2 | 1.9998 | $4,909.24 |
| 10 | 9.999 | $24,546.20 |
| 20 | 19.998 | $49,092.40 |
How much ETH Arbitrum you need to get ETH Optimism
| ETH Optimism | ETH Arbitrum | ≈ USD |
|---|---|---|
| 0.1 | 0.10001 | $245.49 |
| 0.2 | 0.20002 | $490.97 |
| 1 | 1.0001 | $2,454.87 |
| 2 | 2.0002 | $4,909.73 |
| 10 | 10.001 | $24,548.65 |
| 20 | 20.002 | $49,097.31 |
How to bridge ETH Arbitrum from Arbitrum One to OP Mainnet (Optimism)
- Enter the ETH Arbitrum amount in the calculator (from 0.08616 ETH Arbitrum) and open the exchange form.
- Paste your OP Mainnet (Optimism) address (0x…) to receive ETH Optimism.
- Send ETH Arbitrum over the Arbitrum One network to the address from the order, exactly in the amount shown.
- After the Arbitrum One confirmations, ETH Optimism is sent to your OP Mainnet (Optimism) address. The status is shown on the order page.
Before you bridge ETH Arbitrum 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 ETH Arbitrum over Arbitrum One only — a transfer over another network will not reach the order.
- The amount sent must be at least 0.08616 ETH Arbitrum.
- Funds go through an AML check; high-risk transfers may be held until the check is complete.