Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkingalpha.com/story20417625/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions