Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction number for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://get-social-now.com/story5937843/facts-about-tron-blockchain-explorer-revealed-https-www-tarauaca-ac-gov-br-profile-robleswcifuentes23175-profile