Block top - The block selection and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (Remember this starts at 0 so a nonce of one hundred would actually be the one hundred and first transaction submitted by https://bookmarkspiral.com/story20618002/5-easy-facts-about-blockchain-explorer-api-described-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086