Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection 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://socialrator.com/story11802677/5-easy-facts-about-blockchain-explorer-api-described-https-setiathome-berkeley-edu-show-user-php-userid-13199150