Block top - The block selection and length from the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkspring.com/story15779114/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile