An Ethereum miner is a person or entity that participates in the Ethereum network by using their computing power to solve complex mathematical problems that validate transactions on the network. These miners are essential to the functioning of the Ethereum blockchain as they help secure the network and keep it running smoothly.
Miners use powerful computers to solve these mathematical problems, known as proof-of-work algorithms, in order to add new blocks to the blockchain. In return for their computational efforts, miners are rewarded with Ether, the native cryptocurrency of the Ethereum network.
The process of mining Ethereum requires significant computational power and electricity, as well as specialized hardware known as mining rigs. As a result, mining can be a competitive and resource-intensive endeavor, with miners constantly vying to solve blocks before others in order to receive the reward.
Overall, Ethereum miners play a crucial role in maintaining the integrity and security of the Ethereum network, while also being incentivized to continue their efforts through the rewards they receive in the form of Ether.