Block top - The block range and length on the blockchain (in blocks) on generation of the current block Nonce - The transaction range for your from address (Remember this starts off at 0 so a nonce of one hundred would really be the a hundred and first transaction submitted https://apollobookmarks.com/story20479597/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-pdc-edu-url-https-cryptoexplorerhub-com