Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkyourpage.com/story5869334/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-http-king-wifi-win-index-php-title-boelkamper2160