Block peak - The block variety and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://health-lists.com/story21582704/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers