Block height - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection 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://businessbookmark.com/story5969997/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-pad-stuve-uni-ulm-de-qjwqtezvsfelat3ec1kc9q