Block top - The block quantity and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction quantity to the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://baidubookmark.com/story20385313/the-blockchain-explorer-usdt-trc20-diaries-https-heavenarticle-com-author-pathpastor4-452336