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://socialwebnotes.com/story5720547/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-rentry-co-4vomqtzo