Block top - The block number and length on the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmark-media.com/story20319788/5-simple-techniques-for-explorer-blockchain-tron-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092