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Swap WETH on Linea to SUI on Sui

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What you need to know

Linea to Sui: object and account boundary

A Linea source is executed on the zkEVM rollup and later proven to Ethereum; L2 inclusion and proof settlement are distinct source milestones. A Sui receipt creates or updates Move coin objects at a Sui address; later object operations require SUI gas rather than an EVM allowance. Linea and Sui 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.

WETH input versus SUI output representation

WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer. Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

WETH unwrap or exchange input check

WETH is a contract wrapper for ETH. It can be transferred as a token but cannot replace the native gas balance required by the network. On this route WETH is the source token on Linea. Its token balance, approvals, and contract transfer behavior are separate from the native coin used for network gas.

Mistakes specific to WETH Linea to SUI Sui

Route-specific mistakes include sending on a network other than Linea; using a destination that is not valid for Sui; running out of ETH before the source transaction is submitted; assuming evm and other addresses are interchangeable; treating a wrapped token as the native gas asset. A Linea source is executed on the zkEVM rollup and later proven to Ethereum; L2 inclusion and proof settlement are distinct source milestones. WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer. A Sui receipt creates or updates Move coin objects at a Sui address; later object operations require SUI gas rather than an EVM allowance. Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

WETH input identity and handling

WETH is classified as a wrapped asset for this route. WETH uses a wrapped contract asset on Linea. The recorded Linea representation uses 18 decimal places. WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer.

SUI output identity and receiving

Sui is classified as a native asset for this route. SUI uses a native asset on Sui. The Sui side is contract-tracked rather than a native gas balance. Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

Private Route for WETH → SUI

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

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

Related routes

No-KYC and verification rulesPrivate WETH to SUI route explainerPrivacy limits and live availabilitySwap SUI to WETHReverse routeWETH (WETH)Sui (SUI)Linea networkSui networkBrowse supported swap routes

Swap WETH on Linea to SUI on Sui 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 Linea as WETH?

WETH is a contract representation on Linea with 18 decimals at 0xe5D7C2a44FfDDf6b295A15c148167daaAf5Cf34f. ETH, not WETH, pays gas unless both symbols are the same. A Linea source is executed on the zkEVM rollup and later proven to Ethereum; L2 inclusion and proof settlement are distinct source milestones. WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer.

What exactly arrives on Sui as SUI?

SUI is listed as the native representation on Sui; SUI is used for network gas. A Sui receipt creates or updates Move coin objects at a Sui address; later object operations require SUI gas rather than an EVM allowance. Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

Why does the WETH to SUI direction matter?

WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer. On receipt, Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

What changes between the source and destination asset roles?

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

What should be matched before sending WETH?

WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer. A Linea source is executed on the zkEVM rollup and later proven to Ethereum; L2 inclusion and proof settlement are distinct source milestones. A Sui receipt creates or updates Move coin objects at a Sui address; later object operations require SUI gas rather than an EVM allowance. Native SUI receipt creates Sui coin objects that can fund later gas. A smart-contract token outside Sui does not become a native object.

Can the wrapped asset pay native network gas?

No. WETH leaves through a wrapper contract and needs native chain gas. A WETH token balance cannot pay the gas required to submit its own transfer. A Linea source is executed on the zkEVM rollup and later proven to Ethereum; L2 inclusion and proof settlement are distinct source milestones. A Sui receipt creates or updates Move coin objects at a Sui address; later object operations require SUI gas rather than an EVM allowance.

Can I swap WETH on Linea to SUI on Sui without KYC?

Requirements are checked for the live WETH Linea to SUI Sui 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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