 The Ethereum gas mechanism. A transaction or any other activity on the Ethereum network is measured in gas, a fundamental unit of processing labor. It's also what propels the blockchain, which enables this computation. Validators are responsible for including each transaction in a block, processing it, and adding new blocks to the blockchain. They are compensated for their effort by staking a portion of their ETH. Validators are encouraged to prevent spam and improve the security of the network by charging a gas price for each computation and double checking blocks. The proof-of-stake consensus mechanism is based on this procedure. And validators are essentially carrying out what miners did while creating new blocks using proof-of-work before switching to proof-of-stake. The basis for determining gas prices. Blocks of transactions are concatenated, synced, and executed concurrently. The minimum price per gas unit is determined by the demand to be included in a block and is automatically updated based on the number of users actively using the network at any given time. Users boost the price of gas to prioritize their transaction when many users apply for a spot on a block to conduct a transaction. As a result, carrying out transactions during these times is costly for everyone. Transaction costs decrease together with a decline in demand for network services. The amount of gas space for each block is constrained, as well as the size of each block. Share your thoughts in the comments. Thanks for watching.