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://nowbookmarks.com/story20500282/getting-my-blockchain-explorer-ethereum-to-work-https-www-webwiki-it-cryptoexplorerhub-com