Swap SOL on Solana to WETH on Polygon

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What you need to know

Move from a Solana account into Polygon EVM

Solana uses Solana accounts and SOL for source fees, while Polygon uses an EVM 0x account and POL for destination gas. Confirm the destination token contract and do not paste a Solana address into the EVM destination field. SOL is read from its Solana mint or native account, while WETH arrives at the quoted Polygon native or contract representation.

SOL mint and SOL fee checks

Base58-encoded Solana account address SOL is the native gas asset for Solana. A Solana source signs over accounts or token accounts, identifies SPL assets by mint, and spends SOL for transaction fees. Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead. The mint/account selected by the quote must match the source wallet balance.

Polygon contract and 0x receiving checks

EVM 0x account address POL is the native gas asset for Polygon. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas. A Solana address cannot receive this EVM-side output.

WETH wrapped-token output 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 destination token on Polygon. Its token balance, approvals, and contract transfer behavior are separate from the native coin used for network gas.

Mistakes specific to SOL Solana to WETH Polygon

Route-specific mistakes include sending on a network other than Solana; using a destination that is not valid for Polygon; running out of SOL before the source transaction is submitted; assuming solana and evm addresses are interchangeable; treating a wrapped token as the native gas asset. A Solana source signs over accounts or token accounts, identifies SPL assets by mint, and spends SOL for transaction fees. Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas.

SOL input identity and handling

Solana is classified as a native asset for this route. SOL uses a native asset on Solana. Native SOL exists on one recorded origin network; other network forms require representation checks. Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead.

WETH output identity and receiving

WETH is classified as a wrapped asset for this route. WETH uses a wrapped contract asset on Polygon. The recorded Polygon representation uses 18 decimal places. WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas.

Private Route for SOL → WETH

Solana account, token, program, signature, and fee activity remain public, and Polygon wallet, token-transfer, contract, log, and gas activity remain public. For this SOL on Solana to WETH on Polygon path, Private Route is intended to reduce the direct visible relationship between activity around the source-side Base58-encoded Solana account address and destination-side EVM 0x account address; it does not hide either chain's public records.

  • Reduces the obvious link between the SOL deposit and WETH receipt
  • Compare standard and Private Route options for Solana → Polygon
  • Shows what remains public on Solana and Polygon before you deposit
Check Private Route availability →

Related routes

Swap SOL on Solana to WETH on Polygon FAQs

Can a Solana address be used for the Polygon output?

No. EVM 0x account address The WETH output belongs to the quoted EVM representation.

What pays gas on each side of this Solana-to-EVM route?

SOL pays source fees on Solana. POL pays later transactions on Polygon; the delivered WETH does not replace that gas balance unless it is the native asset.

What exactly leaves Solana as SOL?

SOL is listed as the native representation on Solana; SOL is used for network gas. A Solana source signs over accounts or token accounts, identifies SPL assets by mint, and spends SOL for transaction fees. Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead.

What exactly arrives on Polygon as WETH?

WETH is a contract representation on Polygon with 18 decimals at 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619. POL, not WETH, pays gas unless both symbols are the same. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas.

Why does the SOL to WETH direction matter?

Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead. On receipt, WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas.

What changes between the source and destination asset roles?

SOL is the deposited native-asset input; WETH 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 SOL?

Native SOL leaves a Solana account through a signed transaction and pays the fee; wrapped or tokenized SOL uses a token account or external contract instead. A Solana source signs over accounts or token accounts, identifies SPL assets by mint, and spends SOL for transaction fees. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. WETH arrives as a token contract balance. It may need an explicit unwrap before becoming native ETH and cannot itself pay transaction gas.

Can I swap SOL on Solana to WETH on Polygon without KYC?

Requirements are checked for the live SOL Solana to WETH Polygon 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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