Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://dmozbookmark.com/story20378823/explorer-blockchain-things-to-know-before-you-buy-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua