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Crypto
Gas Fees
The cost you pay to perform transactions or run smart contracts on certain blockchains like Ethereum.
Gas fees are paid in the blockchain's native token (ETH on Ethereum). They rise with network congestion. Layer-2 solutions and newer blockchains were created partly to solve high gas fees. Understanding gas helps you time transactions better.
It's like paying a small toll every time you use the highway.
Real world: Sending tokens or minting an NFT during peak hours can cost £10-50+ in gas. During quiet times or on faster/cheaper chains like Solana, fees are often pennies.
💡 Gas fees are the price of using decentralised networks — plan around them to avoid expensive surprises.