Cross-chain · Polygon → BNB Chain
Swap POL from Polygon to BNB on BNB Chain
Swap POL from Polygon to BNB on BNB Chain. Native POL leaves Polygon. Native BNB is what can arrive on BNB Chain. Both sides use the gas label, and they are still different coins.
0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE means POL on chain id 137 and BNB on chain id 56. There is no ERC-20 approval on either side. Polygonscan shows the POL debit. BscScan shows the BNB credit. Blocks are about 2 seconds on Polygon and about 3 seconds on BNB Chain. Neither number dates the bridge. How cross-chain bridges work is the short account of why one string is two assets.
Identical string, two gas coins
Leave POL or the send fails
The BNB you receive can pay later fees
Pegged ETH is a distractor
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 POL from Polygon to BNB on BNB Chain?
0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE means POL on chain id 137 and BNB on chain id 56. There is no ERC-20 approval on either side.
Why do the two addresses match?
Because 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE marks native gas on each EVM chain. On Polygon it is POL. On BNB Chain, chain id 56, it is BNB. You do not approve it. Polygonscan shows the debit and BscScan shows the credit. They are not one shared balance. Do not merge those two explorers into one story.
Is WBNB included?
No. WBNB is 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c. This route pays native BNB only. BNB is not WBNB, just as ETH is not WETH. If a pool needs the wrapper, wrap after the native credit arrives. That wrap spends a little BNB. The wrapper is a later step, and only if a pool asks for it.
What if the wallet holds wrapped POL?
Stop. The wrapped contract is 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270. This page spends native POL and also needs native POL for the chain id 137 fee. Unwrap first, then leave a remainder. BscScan will not show BNB from a wrapped-only wallet. A wrapper-only balance cannot pay the source fee.
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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