Block top - The block variety and length from the blockchain (in blocks) on generation of the present block Nonce - The transaction range for that from address (Keep in mind this starts at 0 so a nonce of one hundred would truly be the one hundred and first transaction https://bookmarksea.com/story20573375/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources