Block top - The block range and size on the blockchain (in blocks) on generation of the current block Nonce - The transaction selection for that from address (Remember this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by this https://sparktv.net/post/810410_https-cryptoexplorerhub-com-in-the-ever-evolving-world-of-copyright-compreh.html