Block height - The block number and length from 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://bookmarkfriend.com/story20429970/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources