Block peak - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://explorebookmarks.com/story20401815/5-simple-statements-about-blockchain-explorer-solana-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain