Gas is an important part of the Ethereum blockchain platform. Without it, transactions and contracts would not be able to take place. The fee, or pricing value, required to successfully conduct a transaction or execute a contract is what we call Gas.The price of Gas is determined by the miners who are responsible for validating and confirming transactions on the Ethereum network. The higher the demand for transactions and contracts, the more expensive Gas will become. This ensures that those who need their transactions confirmed quickly will have to pay more for that privilege, while those who do not mind waiting can save money by accepting a longer confirmation time.While many people see Gas as simply another expense when using Ethereum, it is important to remember that it serves an essential function in keeping the network running smoothly. And with prices currently at all-time lows, now may be a good time to start taking advantage of everything Ethereum has to offer.