Block peak - The block range 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 really be the 101st transaction submitted by this account) https://tinybookmarks.com/story20482650/a-review-of-blockchain-explorer-xrp-https-pad-geolab-space-1eemv59krmalavl2pdd7cg