Block peak - The block range and length from the blockchain (in blocks) on generation of the current block Nonce - The transaction number to the from address (bear in mind this begins at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://pr1bookmarks.com/story21035962/explorer-blockchain-things-to-know-before-you-buy-https-rentry-co-4vomqtzo