Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://techonpage.com/story6011618/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-atavi-com-share-xftxdaz1pgsb4