Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://bookmarklethq.com/story20191014/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04