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://allyourbookmarks.com/story20236483/top-guidelines-of-explorer-blockchain-solana-https-rentry-co-4vomqtzo