Cross-chain · Arbitrum One → Avalanche C-Chain

Swap ETH from Arbitrum One to AVAX on Avalanche C-Chain

Swap ETH from Arbitrum One to AVAX on Avalanche C-Chain. Native ETH leaves Arbitrum One and native AVAX arrives on C-Chain.

Both sides use 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE and they are different coins. On Arbitrum One, chain id 42161, it is ETH, sold and also the fee. Arbiscan, not Nova. On the C-Chain, chain id 43114, it is AVAX. Snowtrace shows a balance, not WAVAX. Not the X-Chain. Blocks are about 2 seconds. The bridge does not inherit that tempo.

Diagram for Swap ETH from Arbitrum One to AVAX on Avalanche C-Chain
ETH leaves Arbitrum One. AVAX is what can arrive on Avalanche C-Chain.

The hex is a role, not a coin

Quotes reuse the sentinel for native gas. Here that means ETH on the way out and AVAX on the way in. You are not delivering ETH onto Avalanche. WAVAX is the wrapped contract people confuse with this output, and it is not named. If a form wants you to paste 0xEeee as a token address, the form is asking for the wrong kind of object.

Keep Arbitrum ETH back, then take C-Chain AVAX

Do not sell the last ETH. The AVAX you receive can pay later C-Chain fees, which is often the point, and it cannot pay the Arbitrum transaction. WETH is not the input. If that is all you hold, unwrap first or use the WETH route. Either way the destination chain id stays 43114.

Two volatile assets

There is no fixed ETH to AVAX redeem. The minimum expires. Eighteen decimals on both do not mean equal amounts. Avalanche in this quote is the C-Chain. An X-Chain address will not receive native C-Chain AVAX from an EVM route.

Wrong when the ETH name must continue

Stop if you need WETH on Ethereum, WAVAX, or a stablecoin. Stop for the X-Chain and the P-Chain. Stop on Nova. Stop if you thought identical sentinel text proved the coins were the same object. The chain id is the proof. Before you sign, compare 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE with 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE on their explorers and stop if either address on the quote differs. A stale minimum is a reason to ask for a fresh quote rather than signing the old one. Sign only on the source chain id named in this article, with the wallet network checked.

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 Arbitrum One to AVAX on Avalanche C-Chain?

Both sides use 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE and they are different coins. On Arbitrum One, chain id 42161, it is ETH, sold and also the fee.

If both fields say 0xEeee, am I bridging ETH?

No. On Arbitrum One the sentinel is ETH, chain id 42161. On the C-Chain it is AVAX, chain id 43114. WAVAX is not the output. Snowtrace shows AVAX as a balance. The X-Chain is a different address system. You are swapping one gas coin for another, not moving a single object.

Should I keep ETH on Arbitrum?

Yes, enough to pay the fee. The full balance cannot be the trade size. WETH will not cover it. AVAX arrives later, on the C-Chain only, and cannot fund the signature. About 2 seconds is a C-Chain block interval, not a reason to spend the last wei. Nova is not the source.

Is AVAX a stablecoin here?

No. Both sides float. Read the minimum AVAX and refresh if the quote lapses. If you wanted Circle USDC at 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E or C-Chain USDT, this sentinel output is the wrong asset. Confirm that address on the explorer before you sign, and refresh the quote if it has expired.

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