Block peak - The block variety and duration 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 truly be the 101st transaction submitted by this account) https://bookmarkassist.com/story20469488/a-review-of-blockchain-explorer-xrp-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg