Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://peakbookmarks.com/story20564247/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-instapaper-com-p-16864836