Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://socialbaskets.com/story5974033/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086