A gas fee is the network fee paid to process a blockchain transaction or smart contract interaction.
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Short definition
Gas Fee is a gas fee is the network fee paid to process a blockchain transaction or smart contract interaction.
Simple explanation
Gas fees compensate the network for executing and recording transactions. The required fee can change depending on network demand.
Why it matters
Gas fees affect swaps, approvals, claims, transfers, contract deployments, and failed transactions.
Example context
On Ethereum, users usually pay gas fees in ETH. On BNB Chain, users usually pay gas fees in BNB.