Cross-chain · Arbitrum One → Solana

Swap USDT from Arbitrum One to SOL on Solana

Swap USDT from Arbitrum One to SOL on Solana. Tether USDT leaves Arbitrum One and the wrapped SOL mint is what can arrive.

Sell 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbitrum One. Arbiscan, chain id 42161, not Nova. ETH pays the fee. The mint is So11111111111111111111111111111111111111112. Solscan reads it. Phantom holds it. Wrapped SOL is not an ERC-20 and does not use an approve call. A 0x recipient cannot hold it. Slots near 400 milliseconds do not schedule the bridge.

Diagram for Swap USDT from Arbitrum One to SOL on Solana
USDT leaves Arbitrum One. SOL is what can arrive on Solana.

Wrapped mint versus fee lamports

So11111111111111111111111111111111111111112 is how routers name SOL as an SPL mint. Your Phantom balance may say SOL. The fee-paying balance is native lamports. If the quote credits the wrapped mint, you may need to unwrap before those units pay fees, and unwrapping is a Solana instruction, not an Ethereum WETH withdraw. Confirm what the wallet shows on Solscan after the credit.

Tether in, a volatile mint out

USDT targets a dollar. SOL does not. The minimum expires. Do not treat a slot time as a price lock. The source token is Arbitrum Tether, not Solana Tether at Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB. You are not bridging USDT unchanged. Solana is a different address system from the chain you are leaving.

Where the approval is allowed to exist

Only on Arbitrum One, for 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9, paid in ETH. Solana has no ERC-20 approval step for So111. If your receive box contains a hex address, replace it with the Phantom address. Nova is the wrong place to sign the source half.

Wrong if you needed a stable SPL mint

Circle's Solana USDC and Tether's Solana USDT are different outputs. This page sells the dollar token for wrapped SOL. It is wrong for an EVM exchange deposit, wrong for anyone who thinks So111 is Ethereum WETH, and wrong if the source balance is not Arbitrum USDT. Before you sign, compare 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 with So11111111111111111111111111111111111111112 on their explorers and stop if either address on the quote differs. Do not treat a block interval on either chain as a promise for when the credit appears. Gas on the source chain is separate from the asset you hope to receive.

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 USDT from Arbitrum One to SOL on Solana?

Sell 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbitrum One. Arbiscan, chain id 42161, not Nova. XAUConnect compares live routes and lets your own wallet sign.

Is the SOL I receive an ERC-20?

No. The mint is So11111111111111111111111111111111111111112, wrapped SOL, checked on Solscan. There is no ERC-20 approval on Solana. You spend Tether at 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbitrum One. Phantom must be the destination. Native lamports, not the wrapped mint, pay Solana fees until you unwrap. Confirm the address on the explorer before you sign.

Can an exchange 0x address take this SOL?

No. Solana deposits use Solana addresses. A 0x string is an EVM account and cannot hold this mint. Confirm the exchange's Solana SOL instructions separately, and do not assume a wrapped mint matches every deposit type. Arbiscan is only the source explorer. Confirm the address on the explorer before you sign.

Does a 400 millisecond slot set the wait?

No. That is a Solana slot scale, not a bridge promise and not a lock on the USDT to SOL price. If the quote expires, take a new minimum. You still need ETH on chain id 42161, not Nova, to move the Tether. SPL does not add an approve popup on the destination.

Live execution

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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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