Description: The gas meter is a tool used to measure the amount of gas used in transactions on a blockchain. In the context of blockchain technology, this term refers to the unit that quantifies the cost of performing operations on a blockchain network, such as Ethereum. Each action, from executing a smart contract to transferring tokens, requires a certain amount of gas, which translates into fees that users must pay for their transactions to be processed. The gas meter allows users to estimate the cost of their transactions before executing them, which is crucial for financial planning and resource management in the decentralized ecosystem. Additionally, gas acts as a security mechanism, preventing spam on the network by requiring users to pay for resource usage. In summary, the gas meter is essential for efficient and economical operations within blockchain platforms, ensuring that transactions are viable and sustainable.