Block top - The block quantity and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would really be the 101st transaction submitted by this https://mixbookmark.com/story5832309/what-does-blockchain-explorer-usdt-mean-https-mlx-su-paste-view-d02eef60