Block height - The block selection and size from the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Keep in mind this starts at 0 so a nonce of a hundred would essentially be the a hundred and first transaction https://naturalbookmarks.com/story20269994/5-easy-facts-about-blockchain-explorer-api-described-http-ezproxy-cityu-edu-hk-login-url-https-cryptoexplorerhub-com