Block top - The block range and duration in the blockchain (in blocks) on development of the present block Nonce - The transaction range for the from address (Keep in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://indexedbookmarks.com/story20524654/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-setiathome-berkeley-edu-show-user-php-userid-13199150