Bitcoin miners play an important role in the security of the cryptocurrency network. They are rewarded with new Bitcoin for their efforts in processing transactions, verifying them and adding them to the blockchain. This process of verifying and adding transactions to the blockchain is known as mining.
Mining requires powerful computers and specialized software to solve complex mathematical problems. As an reward for their efforts, miners are rewarded with newly created Bitcoin. This is how new Bitcoins enter circulation and incentivizes miners to continue providing their services. As a result, the Bitcoin network remains secure and reliable.