Block peak - The block variety and duration with the 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 actually be the 101st transaction submitted by this account) https://bookmarklethq.com/story20764343/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-atavi-com-share-xftxdaz1pgsb4