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 really be the 101st transaction submitted by this account) https://bookmarkingalpha.com/story20269645/a-review-of-blockchain-explorer-xrp-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569