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Arbitrum (ARB)

What is Arbitrum?​

Arbitrum is an Ethereum Layer 2 network that uses optimistic rollup technology to make Ethereum-style transactions faster and cheaper. In Gem Wallet, the native gas asset is shown as Arbitrum ETH.

Here are 5 key points about Arbitrum:

  • Arbitrum ETH is used to pay network fees on Arbitrum.

  • Arbitrum supports Ethereum-style addresses, smart contracts, and ERC20 tokens.

  • Transactions are designed to be faster and cheaper than using Ethereum mainnet directly.

  • Arbitrum is widely used for DeFi, token swaps, stablecoins, and Ethereum-compatible apps.

  • ARB is the governance token for the Arbitrum ecosystem and can be managed as an ERC20 token on supported networks.

tip

Learn more about Arbitrum by reading the Gem Wallet Learn article: What Is The Arbitrum Blockchain?

Arbitrum on Gem Wallet​

Gem Wallet has the following features enabled for Arbitrum:

  • Store Arbitrum ETH securely.
  • Send and receive Arbitrum ETH and supported ERC20 tokens.
  • Buy Arbitrum ETH directly in the app.
  • Manage supported Arbitrum ERC20 tokens.
  • Swap Arbitrum tokens directly in the app.
  • Cross-chain swap supported assets into Arbitrum ETH.

Arbitrum ETH on Gem Wallet Arbitrum ETH Price on Gem Wallet

Arbitrum ETH is the native gas asset on Arbitrum and is used for:

  • Transaction fees: Arbitrum ETH pays gas for transfers and smart contract interactions.

  • ERC20 transfers: Arbitrum ETH is needed when sending tokens on Arbitrum.

  • DeFi and swaps: Arbitrum ETH is used across apps, liquidity routes, and wallet activity on Arbitrum.

How to Get Arbitrum ETH?​

Here are some ways to get Arbitrum ETH:

  • Buy Arbitrum ETH directly on the Gem Wallet app.
  • Receive Arbitrum ETH with your Arbitrum address in Gem Wallet.
  • Swap supported assets into Arbitrum ETH using Gem Wallet.
  • Bridge or withdraw ETH to Arbitrum from a supported platform.

Buy Arbitrum ETH on Gem Wallet Received Arbitrum ETH Transaction on Gem Wallet

note

Send only Arbitrum network assets to your Arbitrum address. Assets sent on the wrong chain may not appear in your wallet.

What are ERC20 Tokens on Arbitrum?​

ERC20 tokens on Arbitrum are tokens that run on the Arbitrum network. They use the same familiar token standard as Ethereum ERC20 tokens, but transfers are processed on Arbitrum.

  • Supported Arbitrum ERC20 tokens can be enabled from Manage Tokens in Gem Wallet.

  • Your Arbitrum address is used for both Arbitrum ETH and supported Arbitrum ERC20 tokens.

  • You need enough Arbitrum ETH to pay network fees when sending Arbitrum ERC20 tokens.

Manage Arbitrum Tokens on Gem Wallet Arbitrum ERC20 Token on Gem Wallet

tip

Learn more about ERC20 tokens from this Gem Wallet Learn article: What Is ERC20 and What You Need to Know About Tokens on the Ethereum Blockchain

Can I Swap Arbitrum Assets on Gem Wallet?​

Yes. Gem Wallet supports swaps for Arbitrum assets:

  • Swap Arbitrum ETH for supported Arbitrum ERC20 tokens, and swap supported Arbitrum ERC20 tokens back to Arbitrum ETH.

Swap Arbitrum ETH to ERC20 Tokens on Gem Wallet Arbitrum Token Swap Details on Gem Wallet

  • Use Cross-Chain Swap to swap supported assets from other blockchains into Arbitrum ETH.

Cross-Chain Swap Arbitrum ETH on Gem Wallet Arbitrum Cross-Chain Swap Details on Gem Wallet

note

You need enough Arbitrum ETH to pay network fees when swapping on Arbitrum.

Transaction Fees on Arbitrum​

The fees on Arbitrum are summarized as follows:

  • Arbitrum transactions require network fees paid in Arbitrum ETH.

  • Arbitrum ERC20 token transfers also require Arbitrum ETH for gas.

  • Fees are typically lower than Ethereum mainnet fees.

  • Gem Wallet shows the network fee before you confirm an Arbitrum transaction.

Arbitrum Network Fee on Gem Wallet Sent Arbitrum ETH Transaction on Gem Wallet

How to Check Arbitrum ETH Balance?​

Gem Wallet connects to Arbitrum to show your Arbitrum ETH balance. Tap on the 3 dots at the upper right corner, then tap View address on ArbiScan.

tip

ArbiScan is the default Arbitrum explorer of Gem Wallet. You can manually check balances and transactions by going to ArbiScan and searching for your Arbitrum address.

Open ArbiScan on Gem Wallet Arbitrum Balance on ArbiScan

Why Choose Gem Wallet for Arbitrum?​

  • Self-Custody & Security: Gem Wallet gives you full control over your private keys and Arbitrum assets.

  • Ethereum Compatibility: Arbitrum uses Ethereum-style addresses and supports ERC20 tokens.

  • Swap and Cross-Chain Support: Gem Wallet supports Arbitrum token swaps and cross-chain swaps into Arbitrum ETH.

  • Lower-Cost Ethereum Activity: Arbitrum makes it easier to move assets and use Ethereum-compatible apps with lower fees than Ethereum mainnet.

Conclusion

Arbitrum is an Ethereum Layer 2 built for faster, lower-cost Ethereum-compatible activity. In Gem Wallet, users can buy, store, send, receive, and swap Arbitrum ETH and supported Arbitrum ERC20 tokens while keeping full control of their wallet.