Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the a hundred and first transaction https://bookmarkindexing.com/story20253339/explorer-blockchain-tron-an-overview-https-www-instapaper-com-p-16864836