Block top - The block range and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction quantity for your from address (bear in mind this commences at 0 so a nonce of a hundred would really be the 101st transaction submitted by this https://lamm-tolstrup-3.blogbright.net/investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world 
