Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://bookmark-vip.com/story20658461/details-fiction-and-explorer-blockchain-ethereum-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources