Cross-chain · Ethereum → Arbitrum One
Swap ETH from Ethereum to USDT on Arbitrum One
Swap ETH from Ethereum to USDT on Arbitrum One. A chain 42161 wallet that needs Tether spends native ETH from Ethereum and receives Arbitrum USDT.
You send native ETH, marked 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE, the gas coin on Etherscan for chain id 1. You receive 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbiscan, 6 decimals. Ethereum Tether at 0xdAC17F958D2ee523a2206206994597C13D831ec7 is not the output. Leave ETH for the mainnet fee. Blocks on Ethereum are about 12 seconds. The destination is Arbitrum One, not Nova. The USDT cannot pay gas there, so the receiving wallet needs its own ETH. Switch to chain id 42161 before looking for the Tether. Etherscan will not show a new USDT balance from this pair, even when the ticker matches. Confirm the USDT contract on Arbiscan before you pay.
Ethereum already pairs ETH with Tether
No approval on the ETH you sell
L2 ETH is still required
Who wants this Tether
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 ETH from Ethereum to USDT on Arbitrum One?
You send native ETH, marked 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE, the gas coin on Etherscan for chain id 1. You receive 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbiscan, 6 decimals.
Does my Ethereum USDT balance change?
No. Ethereum Tether remains 0xdAC17F958D2ee523a2206206994597C13D831ec7 on Etherscan. This route delivers 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbiscan. Switch to Arbitrum One, chain id 42161, not Nova. The ticker can read USDT on both networks while the contracts stay different. The contracts stay different even when the ticker matches.
Why can a full ETH balance fail?
The ETH you sell and the ETH that pays gas on chain id 1 are one coin. Setting the amount to the entire native balance leaves nothing for the fee. Lower it until ETH remains. Native ETH uses 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE and does not need a token approval. Blocks are about 12 seconds.
Will Arbitrum USDT pay the next fee?
No. It is an ERC-20. Gas on chain id 42161 is ETH, separate from Ethereum ETH. If the receiving wallet has no ETH on Arbitrum One, add some before you move the Tether. The route ends when the USDT arrives on Arbiscan.
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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