Block top - The block selection and duration in the blockchain (in blocks) on generation of the current block Nonce - The transaction variety with the from address (Keep in mind this starts at 0 so a nonce of 100 would really be the one hundred and first transaction submitted https://socialbraintech.com/story5381067/explorer-blockchain-tron-an-overview-https-500px-com-p-barrkijrooney