What is Gas?

Gas is the fee required to successfully conduct a transaction or execute a contract on a blockchain. A comprehensive description of gas fees can be found here: https://www.investopedia.com/terms/g/gas-ethereum.asp Each network uses its own native token to pay for gas. Ethereum, for example, uses ETH, while Fantom uses FTM. In order to execute transactions on your preferred network, you'll need some of the network's native token to pay for gas.