Block top - The block amount and length with the blockchain (in blocks) on creation of the present block Nonce - The transaction variety for the from address (Remember this starts at 0 so a nonce of 100 would basically be the a hundred and first transaction submitted by this https://listfav.com/story22332941/explorer-blockchain-tron-an-overview-https-www-instapaper-com-p-16864836