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Fees, Gas & Finality
Ethereum Gas Fees Explained
Understand Ethereum gas fees, priority fees, congestion, failed transaction costs, and why ETH is needed for actions.
Network map
What this means
Ethereum gas fees pay validators for including transactions and can rise sharply when network demand is high.
Core ideas
What to understand first
- ETH is required for Ethereum gas.
- Smart contract actions usually cost more than simple transfers.
- Failed transactions can still consume gas.
- Fee estimates can change during congestion.
User checklist
What to check before moving assets
- Review the gas fee before signing.
- Keep extra ETH for approvals, swaps, or transfers.
- Avoid tiny transactions when gas is high.
- Check network congestion if a transaction is pending.
Risk note
Common mistakes to avoid
- High gas can make small actions uneconomical.
- Speeding up transactions costs additional fees.
- Fake gas recovery tools are scams.