Block top - The block range and size in the blockchain (in blocks) on creation of the current block Nonce - The transaction number for the from address (Remember this commences at 0 so a nonce of one hundred would really be the 101st transaction submitted by this account) Agreement https://lamm-tolstrup-3.blogbright.net/investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world