FAQs > Fees/Exchange Rate

What is a gas fee?


Ethereum is like a car engine.
Gas in Ethereum is like gasoline in your car.
In Ethereum you pay Ether to buy gas, in real life you pay money (e.g. dollars) to buy gasoline.
To execute a smart contract is like to take a trip.
An execution of a smart contract command is like covering certain distance.
Smart contract execution price is like total cost of the trip.