Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://fellowfavorite.com/story21969320/5-tips-about-blockchain-explorer-you-can-use-today-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions