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 starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkcork.com/story20934329/5-simple-statements-about-blockchain-explorer-solana-explained-https-postheaven-net-stickscreen2-from-bytes-to-insights-a-journey-with-copyright-adventurers