Block peak - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://socialistener.com/story6354794/the-ultimate-guide-to-eth-blockchain-explorer-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain