Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://bookmarksknot.com/story22386154/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-giveawayoftheday-com-forums-profile-1172807