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 (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://freshbookmarking.com/story20536278/getting-my-blockchain-explorer-ethereum-to-work-https-setiathome-berkeley-edu-show-user-php-userid-13199150