Block top - The block quantity and size on the blockchain (in blocks) on creation of the present block Nonce - The transaction quantity to 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://myfirstbookmark.com/story20620445/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-md-farafin-de-0k9kbddstjwuieqthhbjgg