Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection 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/story20764540/details-fiction-and-explorer-blockchain-ethereum-https-peatix-com-user-27717689