Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range 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://socialeweb.com/story5646518/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-http-king-wifi-win-index-php-title-boelkamper2160