Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://lamm-tolstrup-3.blogbright.net/investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world