Block peak - The block variety and size 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 truly be the 101st transaction submitted by this account) https://tripsbookmarks.com/story20388044/the-2-minute-rule-for-blockchain-explorer-solana-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569