Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by https://thebookpage.com/story5730050/explorer-blockchain-tron-an-overview-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com