Block peak - The block range and duration of your blockchain (in blocks) on development of the present block Nonce - The transaction selection with 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://freshbookmarking.com/story20726085/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers