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Swap USDC on zkSync Era to USDT on Polygon

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What you need to know

USDC and USDT: two stablecoin ledgers

USDC is an issued dollar-oriented stablecoin with canonical, native, and bridged variants across networks. Contract events and issuer controls differ from a network-native gas asset. USDT is issued through ERC-20, TRC-20, SPL, and other network-specific contracts. The ticker does not determine the token standard, contract, issuer controls, or destination address model. The route changes both asset identity and network representation; dollar-oriented pricing does not remove issuer controls, liquidity spread, contract, or receiving-network checks.

USDC input identity and handling

USDC is classified as a stablecoin for this route. USDC uses a network-specific contract asset on zkSync Era. The zkSync Era side is contract-tracked rather than a native gas balance. The source wallet sends the exact USDC native or contract representation selected by the route; contract USDC can require approval and the chain’s native gas asset.

USDT output identity and receiving

Tether is classified as a stablecoin for this route. USDT uses a network-specific contract asset on Polygon. The recorded Polygon representation uses 6 decimal places. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Leaving zkSync Era L2 for Polygon L1

zkSync Era inclusion and its ethereum settlement are distinct from final receipt on Polygon. The live route, rather than a generic rollup withdrawal assumption, determines the provider path and timing for this direction.

zkSync Era source execution

zkSync Era is a L2 EVM network in the Ethereum ecosystem. ETH pays source-side network gas on zkSync Era. EVM 0x account address A zkSync Era source executes in EraVM with native account-abstraction behavior and ETH fees before proof settlement to Ethereum.

Polygon destination execution

Polygon is a L1 EVM network in the Polygon ecosystem. POL pays destination-side network gas on Polygon. EVM 0x account address A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas.

Mistakes specific to USDC zkSync Era to USDT Polygon

Route-specific mistakes include sending on a network other than zkSync Era; using a destination that is not valid for Polygon; running out of ETH before the source transaction is submitted; selecting a stablecoin by ticker without checking its network contract. A zkSync Era source executes in EraVM with native account-abstraction behavior and ETH fees before proof settlement to Ethereum. The source wallet sends the exact USDC native or contract representation selected by the route; contract USDC can require approval and the chain’s native gas asset. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Private Route for USDC → USDT

zkSync Era wallet, token-transfer, contract, log, and gas activity remain public, and Polygon wallet, token-transfer, contract, log, and gas activity remain public. For this USDC on zkSync Era to USDT on Polygon 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 USDC deposit and USDT receipt
  • ✓Compare standard and Private Route options for zkSync Era → Polygon
  • ✓Shows what remains public on zkSync Era and Polygon before you deposit
Check Private Route availability →

Related routes

No-KYC and verification rulesPrivate USDC to USDT route explainerPrivacy limits and live availabilitySwap USDT to USDCReverse routeUSDC (USDC)Tether (USDT)zkSync Era networkPolygon networkBrowse supported swap routes

Swap USDC on zkSync Era to USDT on Polygon FAQs

What exactly leaves zkSync Era as USDC?

USDC is a contract representation on zkSync Era at 0x1d17cbcf0d6d143135ae902365d2e5e2a16538d4. ETH, not USDC, pays gas unless both symbols are the same. A zkSync Era source executes in EraVM with native account-abstraction behavior and ETH fees before proof settlement to Ethereum. The source wallet sends the exact USDC native or contract representation selected by the route; contract USDC can require approval and the chain’s native gas asset.

What exactly arrives on Polygon as USDT?

USDT is a contract representation on Polygon with 6 decimals at 0xc2132D05D31c914a87C6611C10748AEb04B58e8F. POL, not USDT, 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. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Why does the USDC to USDT direction matter?

The source wallet sends the exact USDC native or contract representation selected by the route; contract USDC can require approval and the chain’s native gas asset. On receipt, Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

What changes between the source and destination asset roles?

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

What should be matched before sending USDC?

The source wallet sends the exact USDC native or contract representation selected by the route; contract USDC can require approval and the chain’s native gas asset. A zkSync Era source executes in EraVM with native account-abstraction behavior and ETH fees before proof settlement to Ethereum. A Polygon PoS receipt follows Polygon token contracts and checkpointed execution; later movement uses POL gas rather than Ethereum L1 gas. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Which stablecoin contract must this route match?

USDC must match its zkSync Era representation. USDT must match the quoted Polygon representation. A ticker or target price is not enough to identify a token contract.

What funds the zkSync Era source transaction?

ETH is the native gas asset for zkSync Era. A zkSync Era source executes in EraVM with native account-abstraction behavior and ETH fees before proof settlement to Ethereum. USDC is token-tracked and can need approval before transfer.

Can I swap USDC on zkSync to USDT on Polygon without KYC?

Requirements are checked for the live USDC zkSync to USDT 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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