What is GAS fee? In the world of blockchain and cryptocurrency, 'GAS' is a super important concept, especially on the Ethereum network. It’s mainly used to measure the computational and storage resources needed to execute transactions and smart contracts. GAS can be understood as a type of transaction fee, used to cover the cost of operations on the network. Every time you send a transaction or execute a smart contract on the Ethereum network, you’ll need to consume a certain amount of GAS. This fee compensates miners for the work they do to process your transaction. GAS Price vs. GAS Limit GAS Price: This is the cost per unit of GAS, usually measured in 'Gwei' (1 Gwei = 0.000000001 ETH). When the network is busy, GAS prices can go up, leading to higher transaction fees. GAS Limit: This is the maximum amount of GAS you’re willing to pay for a transaction. If the transaction consumes more GAS than this limit, it won’t be executed. The main roles of GAS include: Incentivizing miners: By paying GAS fees, users incentivize miners to validate and package transactions, ensuring the security and stability of the network. Preventing abuse: Requiring users to pay fees for each operation helps prevent misuse of network resources and spam transactions.