Block top - The block selection and duration of the blockchain (in blocks) on creation of the present block Nonce - The transaction selection to the from address (Keep in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://meshbookmarks.com/story20681402/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile