Block top - The block variety and length on the blockchain (in blocks) on creation of the present block Nonce - The transaction range for your from address (Keep in mind this commences at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://letusbookmark.com/story22409355/not-known-details-about-blockchain-explorer-usdt-trc20-https-mlx-su-paste-view-d02eef60