Block top - The block number and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (bear in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://kingslists.com/story22009268/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-urlscan-io-result-0199164a-7dbe-7737-944c-199699cc315c