Block height - The block variety and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction selection for your from address (bear in mind this begins at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://get-social-now.com/story5938257/5-easy-facts-about-blockchain-explorer-api-described-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04