Block peak - The block range 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 starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkchamp.com/story20633329/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-atavi-com-share-xftxdaz1pgsb4