Block top - The block number and size with the blockchain (in blocks) on generation 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 really be the 101st transaction submitted by this account) https://myeasybookmarks.com/story5942214/facts-about-tron-blockchain-explorer-revealed-https-list-ly-churchkjeldsen86wpibju