Base to Arbitrum
Base to Arbitrum bridge
Start with Base, choose what you want to send and puddli checks the current route to Arbitrum before your wallet asks for approval.
- Base ETH to Arbitrum ETH when quoted
- Base USDC to Arbitrum USDC when quoted
- destination swaps when requested
- delivery tracking from the source transaction
Base to Arbitrum route setup
The starter selects Base as the source and Arbitrum One as the destination. Native ETH is prefilled, while the live bridge still lets you choose another currently supported pair.
- Base chain ID 8453
- Arbitrum One chain ID 42161
- source transaction signed on Base
ETH and USDC need different checks
Native ETH requires a Base gas reserve. USDC requires the correct contracts on both chains and may require an approval before the bridge transaction.
- keep ETH for Base gas
- verify both USDC contracts
- review minimum received before approval
Bridge in three clear steps
- Open the prefilled Base to Arbitrum route.
- Choose ETH, USDC or another supported pair and enter the amount.
- Confirm the Arbitrum output and sign the source transaction on Base.
Frequently asked questions
how do i bridge Base ETH to Arbitrum?
choose native ETH on Base, Arbitrum as the destination, enter the amount and review the live route.
can i bridge Base USDC to Arbitrum USDC?
yes when the current route succeeds for the configured Base USDC and selected Arbitrum USDC contract.
which network do i sign on?
the route transaction is signed on Base because Base is the source network.