Nodes compete to solve the PoW math problems for a block of transactions, and the first node to produce the correct solution broadcasts it to network members, who can very quickly verify its correctness. Once the validity of the transactions and PoW are verified by a majority of the network nodes, a set quantity of bitcoin is issued to reward the node that correctly solved the PoW. This is known as the block subsidy, and the process of generating the new coins has been referred to as mining,
