Block top - The block range and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://agendabookmarks.com/story20415430/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-posteezy-com-past-these-blocks-discovering-realm-copyright-explorers