About Ethereum
Ether is the native digital asset of the Ethereum ecosystem, used to pay gas, secure the network through staking, and collateralize decentralized finance. It is one of the most liquid cryptocurrencies and underpins thousands of smart-contract applications. Holding ETH gives you direct exposure to Ethereum's programmable economy, whether you spend it on mainnet or on Layer 2 networks such as Arbitrum.
Spend ETH to approve swaps, transfers, and contract calls.
ETH underpins Ethereum security through proof-of-stake validation.
Supply ETH in lending markets, vaults, and trading pools.
Hold ETH as core exposure to the largest smart contract network.
Popular ways to swap ETH on Arbitrum
Receive native ETH on Arbitrum or swap it out to Bitcoin, Solana, stablecoins, and other supported assets.
Receive ETH.ARB
What can you do with ETH on Arbitrum?
ETH on Arbitrum is the same ether with lower fees for everyday apps and DeFi.
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Pay lower fees
Use ETH for gas on Arbitrum at a fraction of the cost of Ethereum mainnet.
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Use DeFi
Lend, borrow, and earn yield with ETH across Arbitrum apps at lower cost.
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Stake ETH
Put ETH to work in staking products available to Arbitrum users who want yield.
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Trade on DEXs
Swap ETH for stablecoins and tokens on Arbitrum exchanges with fast, cheap transactions.
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Move between networks
Shift ETH between Arbitrum and mainnet or other chains as you need.
Ready for native ETH on Arbitrum?
Swap from mainnet ETH, BTC, USDC, and more. Your quote shows fees and estimated arrival time before you deposit.
Frequently asked questions about Ethereum
What is Ethereum (ETH)?
ETH is the native asset of the Ethereum blockchain. It pays for transaction fees, secures the network through staking, and serves as collateral across decentralized finance protocols.
What is ETH on Arbitrum?
ETH on Arbitrum is the same ether asset, natively settled on the Arbitrum Layer 2. You use it for gas and DeFi on Arbitrum while benefiting from lower fees than Ethereum mainnet.
Is ETH on Arbitrum the same as mainnet ETH?
Yes. It represents the same underlying asset. The difference is the network where it settles. Mainnet ETH lives on Ethereum L1, while Arbitrum ETH is held and spent on the Arbitrum rollup.
Why hold ETH on Arbitrum instead of mainnet?
Arbitrum offers lower fees and faster confirmations for most activity while remaining secured by Ethereum. Many users keep working balances on Arbitrum for trading, lending, and day-to-day transactions.
Can I move mainnet ETH to Arbitrum?
Yes. Cross-chain routes let you convert Ethereum mainnet ETH to native ETH on Arbitrum in a single flow. You receive a quote with fees and estimated settlement time before sending funds.
Which wallets support Arbitrum ETH?
Standard Ethereum wallets such as MetaMask, Rabby, Coinbase Wallet, and Ledger support Arbitrum. Add the Arbitrum network and use your same address.
How does Arbitrum security relate to Ethereum?
Arbitrum is an optimistic rollup that posts transaction data to Ethereum. That design anchors Arbitrum activity to Ethereum's base-layer security guarantees.
What is the Arbitrum fraud-proof model?
Arbitrum assumes transactions are valid by default and allows a challenge window where invalid state transitions can be disputed on Ethereum.