Proof of labor (PoW): During this protocol, the new node has to solve a cryptographic puzzle. It entails finding a nonce akin to a hash in keeping with the network’s standards. The primary node to accomplish the puzzle joins the community. This protocol is Utilized in Bitcoin and Ethereum 1.028. https://energyprocurement51840.bcbloggers.com/32290264/a-simple-key-for-energy-brokers-unveiled