Block top - The block selection and duration with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the from address (Keep in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkvids.com/story22096272/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086