Block peak - The block variety and size on 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 really be the 101st transaction submitted by this account) https://followbookmarks.com/story20450591/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers