Block top - The block quantity and size of your blockchain (in blocks) on creation of the present block Nonce - The transaction number to the from address (Remember this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction submitted by https://kbookmarking.com/story20276848/blockchain-explorer-search-an-overview-https-setiathome-berkeley-edu-show-user-php-userid-13199150