Block peak - The block range and duration of your 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 in fact be the a hundred and first transaction https://socialtechnet.com/story5810410/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-instapaper-com-p-16864836