---
title: Which assets in RockWallet require ETH for network fees?
description: Find out which RockWallet-supported assets require ETH to cover gas (network) fees when sending or swapping. Learn why these fees can't be deducted from your token balance and how to prepare.
---
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3. [Network Fees (Gas Fees)](https://help.rockwallet.com/rockwallet-setup?hsLang=en#network-fees-gas-fees)
# Which assets in RockWallet require ETH for network fees?
## Understand which ERC-20 tokens need Ethereum (ETH) to cover gas costs.
Some digital assets in RockWallet are **ERC-20 tokens**, meaning they run on the **Ethereum blockchain**.
To **send, swap, or sell** these tokens, you’ll need a small amount of **ETH** in your wallet to cover **gas fees,** the transaction costs are set by and paid to the Ethereum network (not to RockWallet).
**The ERC-20 tokens RockWallet supports that require ETH for network fees include:**
- USD Coin (USDC)
- Tether (USDT)
- Basic Attention Token (BAT)
- Chainlink (LINK)
- Loopring (LRC)
- 0x (ZRX)
- MNEE - ERC-20 version (Only available in the U.S)
- Pepe (PEPE)
- Worldcoin (WLD)
💡 **Tip:** Always keep a small amount of **ETH** in your wallet before sending or swapping ERC-20 tokens to ensure your transaction goes through smoothly.
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