Block peak - The block range and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://moodjhomedia.com/story3260171/what-does-eth-blockchain-explorer-mean-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources