Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://johsocial.com/story11134880/explorer-blockchain-tron-an-overview-https-www-pdc-edu-url-https-cryptoexplorerhub-com