Block top - The block selection and duration of the blockchain (in blocks) on generation of the present block Nonce - The transaction number to the from address (bear in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://mylittlebookmark.com/story6291199/what-does-eth-blockchain-explorer-mean-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086