Block height - The block selection and size of the blockchain (in blocks) on generation of the current block Nonce - The transaction number for that from address (bear in mind this starts at 0 so a nonce of 100 would basically be the a hundred and first transaction submitted https://tornadosocial.com/story5816501/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain