Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://apollobookmarks.com/story20478643/blockchain-explorer-usdt-trc20-fundamentals-explained-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569