Block peak - The block variety and duration with the blockchain (in blocks) on generation of the current block Nonce - The transaction number with 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://captainbookmark.com/story20307267/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain