Block height - The block selection and size in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (Keep in mind this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this https://sparktv.net/post/810410_https-cryptoexplorerhub-com-in-the-ever-evolving-world-of-copyright-compreh.html