Block peak - The block range 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 really be the 101st transaction submitted by this account) https://bookmarkalexa.com/story5839512/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers