Block top - The block selection and duration of 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 one hundred would essentially be the one hundred and first transaction https://keybookmarks.com/story20745081/blockchain-explorer-fundamentals-explained-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086