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Why do I need ETH to Swap digital assets that aren’t ETH?

ERC-20 tokens on the Ethereum network require ETH to cover gas fees

Digital Assets in RockWallet are built on the Ethereum blockchain and are known as ERC-20 tokens. These tokens rely on Ethereum (ETH) to pay for gas (network) fees that process and confirm transactions on the blockchain.

This means you’ll need a small amount of ETH in your RockWallet anytime you send, swap, or sell ERC-20 tokens.

💡 Tip: Gas fees vary based on network activity and speed settings, so it’s a good idea to keep $5–$15 worth of ETH in your wallet to cover future transactions.

You can easily buy ETH in the RockWallet app using a debit card, credit card, or ACH electronic bank transfer (available in supported states, countries and territories), or receive ETH from another wallet to cover your gas costs.