Proof of Work (PoW): During this protocol, the new node has to solve a cryptographic puzzle. It includes locating a nonce similar to a hash in keeping with the community’s requirements. The initial node to complete the puzzle joins the community. This protocol is used in Bitcoin and Ethereum one.028. https://energy-cost-management73840.ageeksblog.com/32031545/details-fiction-and-energy-broker-solutions