Block top - The block range and duration on the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for that from address (bear in mind this begins at 0 so a nonce of a hundred would really be the a hundred and first transaction https://apollobookmarks.com/story20632110/getting-my-blockchain-explorer-ethereum-to-work-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions