Block top - The block number and length in the blockchain (in blocks) on generation of the current block Nonce - The transaction amount with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://doctorbookmark.com/story20462538/the-definitive-guide-to-explorer-blockchain-ethereum-https-md-farafin-de-0k9kbddstjwuieqthhbjgg