Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://infopagex.com/story5848037/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-forum-repetier-com-profile-coverjaguar3