Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of one hundred would truly be the one hundred and first transaction https://bookmark-media.com/story20819909/a-review-of-blockchain-explorer-xrp-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086