Proof of Work (PoW): With this protocol, the new node has to resolve a cryptographic puzzle. It consists of getting a nonce comparable to a hash consistent with the network’s standards. The 1st node to accomplish the puzzle joins the community. This protocol is Utilized in Bitcoin and Ethereum 1.028. https://johnnyfteny.blog-eye.com/33148224/the-best-side-of-energy-broker-expertise