Arbitrum Wallets and the Ethereum to Polygon Route

Why this matters on Arbitrum

Ethereum-to-Polygon transfers require attention to token representation and source gas. A route can be technically valid while still being uneconomical for a very small balance.

Arbitrum is an Ethereum Layer 2 environment with its own balances and application ecosystem.

Arbitrum is part of the Ethereum scaling ecosystem. The same ticker can exist on Ethereum and on Arbitrum as separate token contracts, so a balance seen on one network cannot be assumed to exist, or to be redeemable at the same value, on the other.

Arbitrum and this route

Arbitrum is neither end of the Ethereum to Polygon route, but a wallet that uses Arbitrum often holds balances on those networks too. If your assets are on Arbitrum, they would first have to be on Ethereum for this route to apply.

Leaving Ethereum

Ethereum gas can make very small balance movements uneconomical, so compare total execution cost with the balance value. Pay close attention to contract approvals, transaction details and the exact domain used to initiate a transaction.

Arriving on Polygon

Confirm that the token is held on Polygon and verify its contract before moving or swapping it. Compare Polygon transaction costs with bridge and liquidity costs when consolidating small balances.

Arbitrum: what to pay attention to

• Costs: Compare L2 transaction costs with any bridge or liquidity costs required to reach the destination.
• Security: Verify the network, contract and destination before signing cross-chain transactions.
• Assets and tokens: Confirm the Arbitrum token contract rather than assuming an identical ticker represents the same asset everywhere.

A Arbitrum checklist for this topic

• Compare quotes and the minimum received amount, since the final amount can differ from the estimate.
• Keep enough native balance on the source network to pay for the transaction.
• Do not assume a route from Arbitrum is available; check the current interface and quote.
• Send a small test amount first if the route or address is new to you.

Bridge from Arbitrum

Compare L2 transaction costs with any bridge or liquidity costs required to reach the destination. On the Base side: verify the token contract on Base and do not rely on ticker or logo alone.

The bridge guide below is informational; any transaction depends on current network conditions and the route shown in the bridge interface.

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