Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with 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://bookmarkerz.com/story20377116/a-review-of-blockchain-explorer-xrp-https-rentry-co-4vomqtzo