Block peak - The block range and duration in the blockchain (in blocks) on development of the current block Nonce - The transaction selection for that from address (Keep in mind this commences at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://e-bookmarks.com/story6283968/blockchain-explorer-fundamentals-explained-https-www-instapaper-com-p-16864836