Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the a hundred and first transaction submitted https://socialioapp.com/story5539321/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-independent-academia-edu-drewandreassen4