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 really be the 101st transaction submitted by this account) https://webnowmedia.com/story5891396/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-rentry-co-4vomqtzo