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Swap ETH on Sui to ARB on Arbitrum

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What you need to know

Sui to Arbitrum: object and account boundary

A Sui source consumes or mutates Move coin objects, uses a Sui address, and spends SUI for gas and storage-related execution. An Arbitrum receipt appears on the Nitro L2 ledger under an Arbitrum token contract or native ETH balance; later spending needs Arbitrum ETH while L1 settlement continues separately. Sui and Arbitrum use different network identities, gas assets, wallet support, confirmation behavior, and destination conventions. Validate each side independently in the current route.

Sui coin-object and SUI gas requirements

SUI is the native gas asset for Sui. Sui hexadecimal account address with an object-based asset model Coin objects and Move types are not EVM token contracts.

ETH input versus ARB output representation

Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

Mistakes specific to ETH Sui to ARB Arbitrum

Route-specific mistakes include sending on a network other than Sui; using a destination that is not valid for Arbitrum; running out of SUI before the source transaction is submitted; assuming other and evm addresses are interchangeable. A Sui source consumes or mutates Move coin objects, uses a Sui address, and spends SUI for gas and storage-related execution. Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ. An Arbitrum receipt appears on the Nitro L2 ledger under an Arbitrum token contract or native ETH balance; later spending needs Arbitrum ETH while L1 settlement continues separately. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

ETH input identity and handling

Ethereum is classified as a native asset for this route. ETH uses a network-specific contract asset on Sui. The recorded Sui representation uses 8 decimal places. Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ.

ARB output identity and receiving

Arbitrum is classified as a governance or utility token for this route. ARB uses a network-specific contract asset on Arbitrum. The Arbitrum side is contract-tracked rather than a native gas balance. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

Private Route for ETH → ARB

Sui account, object, transaction-effect, and fee activity remain public, and Arbitrum wallet, token-transfer, contract, log, and gas activity remain public. For this ETH on Sui to ARB on Arbitrum path, Private Route is intended to reduce the direct visible relationship between activity around the source-side Sui hexadecimal account address with an object-based asset model and destination-side EVM 0x account address; it does not hide either chain's public records.

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

Related routes

No-KYC and verification rulesPrivate ETH to ARB route explainerPrivacy limits and live availabilitySwap ARB to ETHReverse routeEthereum (ETH)Arbitrum (ARB)Sui networkArbitrum networkBrowse supported swap routes

Swap ETH on Sui to ARB on Arbitrum FAQs

How does the Sui coin-object side differ from the other network?

Sui uses Move coin types and objects with SUI gas. The other side follows EVM execution, so addresses and token identifiers are not interchangeable.

What exactly leaves Sui as ETH?

ETH is a contract representation on Sui with 8 decimals at 0xd0e89b2af5e4910726fbcd8b8dd37bb79b29e5f83f7491bca830e94f7f226d29::eth::ETH. SUI, not ETH, pays gas unless both symbols are the same. A Sui source consumes or mutates Move coin objects, uses a Sui address, and spends SUI for gas and storage-related execution. Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ.

What exactly arrives on Arbitrum as ARB?

ARB is a contract representation on Arbitrum at 0x912ce59144191c1204e64559fe8253a0e49e6548. ETH, not ARB, pays gas unless both symbols are the same. An Arbitrum receipt appears on the Nitro L2 ledger under an Arbitrum token contract or native ETH balance; later spending needs Arbitrum ETH while L1 settlement continues separately. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

Why does the ETH to ARB direction matter?

Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ. On receipt, A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

What changes between the source and destination asset roles?

ETH is the deposited native-asset input; ARB 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 ETH?

Native ETH can fund both transfer value and gas on its selected network. If the source is WETH or another tokenized form, approval and unwrap or exchange logic differ. A Sui source consumes or mutates Move coin objects, uses a Sui address, and spends SUI for gas and storage-related execution. An Arbitrum receipt appears on the Nitro L2 ledger under an Arbitrum token contract or native ETH balance; later spending needs Arbitrum ETH while L1 settlement continues separately. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

What funds the Sui source transaction?

SUI is the native gas asset for Sui. A Sui source consumes or mutates Move coin objects, uses a Sui address, and spends SUI for gas and storage-related execution. ETH is token-tracked and can need approval before transfer.

Can I swap ETH on Sui to ARB on Arbitrum without KYC?

Requirements are checked for the live ETH Sui to ARB Arbitrum 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.

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