Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://socialeweb.com/story5730414/details-fiction-and-explorer-blockchain-ethereum-https-www-instapaper-com-p-16864836