Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://bookmarksoflife.com/story5889936/explorer-blockchain-tron-an-overview-https-www-webwiki-co-uk-cryptoexplorerhub-com