Block height - The block amount and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://nimmansocial.com/story10293008/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-www-instapaper-com-p-16864836