Block top - The block range and size in the blockchain (in blocks) on creation of the present block Nonce - The transaction number with the from address (Keep in mind this starts at 0 so a nonce of a hundred would truly be the one hundred and first transaction https://bookmarkity.com/story20630828/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-postheaven-net-stickscreen2-from-bytes-to-insights-a-journey-with-copyright-adventurers