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://socialmediainuk.com/story24153610/a-review-of-blockchain-explorer-xrp-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers