Block height - The block quantity and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://bookmarktune.com/story20313123/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-bitsdujour-com-profiles-iptrcw