Block peak - The block range and duration of your 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://kbookmarking.com/story20470258/what-does-eth-blockchain-explorer-mean-https-lamptie2-bravejournal-net-beyond-these-blocks-discovering-the-realm-of-distributed-ledger-explorers