Swap WETH on BNB Chain to ARB on BNB Chain

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What you need to know

WETH input identity and handling

WETH is classified as a wrapped asset for this route. WETH uses a wrapped contract asset on BNB Chain. The recorded BNB Chain 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.

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 BNB Chain. The recorded BNB Chain representation uses 18 decimal places. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

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 BNB Chain. Its token balance, approvals, and contract transfer behavior are separate from the native coin used for network gas.

BNB Chain source execution

BNB Chain is a L1 EVM network in the BNB Chain ecosystem. BNB pays source-side network gas on BNB Chain. EVM 0x account address A BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20.

Mistakes specific to WETH BNB Chain to ARB BNB Chain

Route-specific mistakes include sending on a network other than BNB Chain; using a destination that is not valid for BNB Chain; running out of BNB before the source transaction is submitted; treating a wrapped token as the native gas asset. A BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20. 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 BNB Smart Chain receipt uses the BEP-20 contract or native BNB balance selected by the route; later token movement needs BNB gas. 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 WETH → ARB

BNB Chain wallet, token-transfer, contract, log, and gas activity remain public. For this WETH on BNB Chain to ARB on BNB Chain 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 WETH deposit and ARB receipt
  • Compare standard and Private Route options for BNB Chain → BNB Chain
  • Shows what remains public on BNB Chain and BNB Chain before you deposit
Check Private Route availability →

Related routes

Swap WETH on BNB Chain to ARB on BNB Chain FAQs

What exactly leaves BNB Chain as WETH?

WETH is a contract representation on BNB Chain with 18 decimals at 0x2170Ed0880ac9A755fd29B2688956BD959F933F8. BNB, not WETH, pays gas unless both symbols are the same. A BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20. 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 BNB Chain as ARB?

ARB is a contract representation on BNB Chain with 18 decimals at 0x0acdb582C1d5512Ea31fD64b9C07882CB31E494D. BNB, not ARB, pays gas unless both symbols are the same. A BNB Smart Chain receipt uses the BEP-20 contract or native BNB balance selected by the route; later token movement needs BNB gas. 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 WETH to ARB 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, 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?

WETH is the deposited token 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 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 BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20. A BNB Smart Chain receipt uses the BEP-20 contract or native BNB balance selected by the route; later token movement needs BNB gas. A receiving wallet should show the exact ARB contract on the destination. Receipt does not fund ETH gas for later token movement.

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 BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20. A BNB Smart Chain receipt uses the BEP-20 contract or native BNB balance selected by the route; later token movement needs BNB gas.

What funds the BNB Chain source transaction?

BNB is the native gas asset for BNB Chain. A BNB Smart Chain source uses BNB gas and BEP-20 contracts; a familiar 0x account does not turn a BEP-20 deposit into ERC-20. WETH is token-tracked and can need approval before transfer.

Can I swap WETH on BSC to ARB on BSC without KYC?

Requirements are checked for the live WETH BSC to ARB BSC 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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