Fees Glossary definition

Crypto glossary

Gas Fees

Gas fees are transaction costs paid to use a blockchain network, especially smart-contract networks like Ethereum.

Why It Matters

The practical version.

Fees change the real cost of trading, transferring stablecoins, minting, bridging, and using apps. A trade that looks small can become expensive when the network is congested.

Network congestion

Wallet fee estimates

Layer-2 alternatives

Failed transactions that still cost fees