Cross-chain · Base → Polygon
Swap USDC from Base to POL on Polygon
Swap USDC from Base to POL on Polygon. Circle USDC leaves Base, and native POL arrives on Polygon chain 137.
You spend Circle USDC at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, 6 decimals, on Base, chain 8453. Basescan shows that contract, and the send needs an ETH fee plus an allowance. You receive native POL on Polygon. Quotes write it as 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE, which on chain 137 means the gas coin, not ETH and not an ERC-20. Polygonscan shows POL on the account. It is not WETH at 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619 and not Tether.
Buying the fee coin with a dollar
The placeholder is POL only on this chain
Three nearby assets this page skips
How the two explorers differ
Legal
Risk disclosure
XAUConnect is a non-custodial swap aggregator. Digital assets are volatile and may lose value rapidly. Content on this page is educational and not investment advice. Verify every contract address on the official block explorer before approving a transaction.
Frequently asked questions
What is the best way to swap USDC from Base to POL on Polygon?
You spend Circle USDC at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, 6 decimals, on Base, chain 8453. Basescan shows that contract, and the send needs an ETH fee plus an allowance.
Does 0xEeee on this route mean ETH or POL?
On the destination it means POL, the gas coin of chain 137. On Base the same placeholder means ETH, which pays the fee. It is not a contract on Polygonscan. WETH, if that was the order, is 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619 instead. Match the chain id before you read the address.
Will I receive an ERC-20 called POL?
You receive native POL on the account balance. There is no token-contract credit to hunt. If a dapp asks for an ERC-20 address rather than the gas coin, this route has not given it that address. Check Polygonscan's native line after the Base USDC debit confirms.
What do I need on Base besides USDC?
ETH, to pay for the allowance and the send on chain 8453. Circle USDC at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 cannot pay gas. The POL you are buying is not on Base yet, so it cannot cover that fee. Leave the ETH in the wallet when you size the swap.
Trade on XAUConnect
Open the swap page with this cross-chain route pre-selected, then connect your wallet on the source chain to quote and execute. You keep the keys.
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