Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction amount for your from address (Keep in mind this begins at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) https://top100bookmark.com/story20535059/5-easy-facts-about-blockchain-explorer-api-described-https-www-instapaper-com-p-16864836