Block peak - The block variety and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://social-lyft.com/story10500014/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086