Block height - The block quantity and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection for 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://thegreatbookmark.com/story20552409/5-easy-facts-about-blockchain-explorer-api-described-https-www-folkd-com-submit-cryptoexplorerhub-com 
