what is gas ethereum 
gas is the fee required to successfully conduct a transaction or execute a contract on the ethereum blockchain platform fees are priced in tiny fractions of the cryptocurrency ether eth denominations called gwei 10 9 eth gas is used to pay validators for the resources needed to conduct transactions the exact price of the gas is determined by supply demand and network capacity at the time of the transaction understanding gas in ethereumthe concept of incentives for work paid in fees gas was introduced to compensate miners for their work on maintaining and securing the blockchain in addition to receiving block rewards after the proof of stake algorithm was rolled out in september 2022 a portion of the gas fee became the reward for staking eth and participating in validation the more a user has staked the more they can earn a transaction fee is similar to the fee you pay for a money wire transfer you re paying the service provider for using their network ethereum validators who perform the essential tasks of verifying and processing transactions on the network are awarded this fee in return for staking their ether and verifying blocks gas fees rise and fall with supply and demand for transactions if the network is congested gas prices might be high on the other hand they could be low if there is not much traffic 