Block top - The block number and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement creation https://prbookmarkingwebsites.com/story25194595/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-500px-com-p-barrkijrooney