Gas refers to the unit used to measure the computational work required for transactions and operations on certain blockchain networks, like Ethereum. Each action, such as transferring tokens or executing a smart contract, consumes gas based on its complexity.Users must pay for gas in the network’s native currency, typically Ethereum (ETH). This payment incentivizes miners or validators to process and confirm transactions. Gas prices can fluctuate based on network demand. When the network is busy, gas prices rise, which can affect the speed and cost of transactions.Gas is crucial for ensuring that only valid transactions are executed, helping to prevent abuse of network resources. Each transaction requires a specific amount of gas based on its type, and users can set a maximum gas limit, determining how much they are willing to pay.Understanding gas helps users manage costs and prioritize their transactions, especially during times of high network activity. Proper gas management can lead to faster confirmations and more efficient use of funds.