Block peak - The block variety and size with the 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 actually be the 101st transaction submitted by this account) https://bookmarklethq.com/story20332249/a-review-of-blockchain-explorer-xrp-https-www-lanubedocente-21-edu-ar-profile-fowlerrlwmooney1719-profile