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://exactlybookmarks.com/story20211185/top-guidelines-of-explorer-blockchain-solana-https-rentry-co-4vomqtzo