In the context of blockchain , "PoW" stands for "Proof of Work." It is a consensus mechanism used to validate and secure transactions on a blockchain network. PoW requires participants, known as miners, to solve complex mathematical problems in order to add new blocks to the blockchain and earn rewards. Here's a high-level overview of how PoW works: Transactions are broadcasted to the network. Miners collect these transactions and package them into blocks. Miners compete with each other to solve a computationally intensive mathematical problem, also known as a "hash puzzle" or " mining puzzle. " The solution to this puzzle is called a "nonce." Miners repeatedly try different nonces until one of them finds a solution that satisfies a certain criteria, such as producing a hash value below a specific target. Once a miner finds a valid nonce, they broadcast the block with the solved puzzle to the network. Other nodes in the network veri...