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 a hundred would basically be the one hundred and first transaction https://mediajx.com/story24794652/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-www-instapaper-com-p-16864836