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://zanybookmarks.com/story20770294/a-review-of-blockchain-explorer-xrp-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g