Block peak - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://topsocialplan.com/story5933046/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-www-instapaper-com-p-16864836