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 really be the 101st transaction submitted by this account) https://bookmarkusers.com/story20030960/blockchain-explorer-fundamentals-explained-https-pinshape-com-auth-users-auth-google