Gwei is a denomination of the cryptocurrency Ethereum, used to measure the amount of gas required to execute a transaction or run a smart contract on the Ethereum blockchain. Gas is a measure of computational resources required to execute a transaction or contract on the Ethereum network, and it is paid for in units of Gwei. One Gwei is equal to one billionth of an ether (ETH), which is the native cryptocurrency of the Ethereum blockchain. This means that if the gas price is set at 20 Gwei, t...