Block peak - The block selection and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://socialbaskets.com/story6332784/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-instapaper-com-p-16864836