Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that 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://freshbookmarking.com/story20681763/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-http-king-wifi-win-index-php-title-boelkamper2160