Swap ARB to OP

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ToOptimism
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What you need to know

ARB input identity and handling

Arbitrum is classified as a governance or utility token for this route. ARB uses a quote-selected representation. Sending ARB can require a token allowance, while ETH—not ARB—must fund Arbitrum gas. Verify the outbound ARB contract if the source is not Arbitrum.

OP output identity and receiving

Optimism is classified as a governance or utility token for this route. OP uses a quote-selected representation. OP receipt is a governance-token balance, not destination gas. Verify the destination contract and keep ETH available for OP Mainnet activity.

Mistakes specific to ARB to OP

Verify both asset identities, the selected network, current deposit instructions, and the receiving representation.

ARB source handling versus OP receipt

Sending ARB can require a token allowance, while ETH—not ARB—must fund Arbitrum gas. Verify the outbound ARB contract if the source is not Arbitrum. OP receipt is a governance-token balance, not destination gas. Verify the destination contract and keep ETH available for OP Mainnet activity.

Representation transition for this direction

ARB leaves as a quote-selected representation. OP arrives as a quote-selected representation.

Private Route for ARB → OP

Arbitrum wallet, token-transfer, contract, log, and gas activity remain public, and Optimism wallet, token-transfer, contract, log, and gas activity remain public. For this ARB on Arbitrum to OP on Optimism path, Private Route is intended to reduce the direct visible relationship between activity around the source-side EVM 0x account address and destination-side EVM 0x account address; it does not hide either chain's public records.

  • Reduces the obvious link between the ARB deposit and OP receipt
  • Compare standard and Private Route options for Arbitrum → Optimism
  • Shows what remains public on Arbitrum and Optimism before you deposit
Check Private Route availability →

Related routes

Swap ARB to OP FAQs

Why does the ARB to OP direction matter?

Sending ARB can require a token allowance, while ETH—not ARB—must fund Arbitrum gas. Verify the outbound ARB contract if the source is not Arbitrum. On receipt, OP receipt is a governance-token balance, not destination gas. Verify the destination contract and keep ETH available for OP Mainnet activity.

What changes between the source and destination asset roles?

ARB is the deposited token input; OP is the quoted token output. Source allowance or native-spend rules and destination wallet/representation checks are evaluated separately.

What should be matched before sending ARB?

Sending ARB can require a token allowance, while ETH—not ARB—must fund Arbitrum gas. Verify the outbound ARB contract if the source is not Arbitrum. Match the source network shown by the quote. Confirm the destination network in the quote. OP receipt is a governance-token balance, not destination gas. Verify the destination contract and keep ETH available for OP Mainnet activity.

Can I swap ARB on Arbitrum to OP on Optimism without KYC?

Requirements are checked for the live ARB Arbitrum to OP Optimism quote. Verification requirements can depend on the provider, amount, jurisdiction, and current route. Sasquatch does not verify this route as universally no-KYC; check the live flow before continuing.

View all Help Center FAQs →