Block top - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://agency-social.com/story5854522/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources