Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarklogin.com/story20437378/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-www-instapaper-com-p-16864836