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 in fact be the a hundred and first https://loanbookmark.com/story20660406/a-review-of-blockchain-explorer-xrp-https-www-instapaper-com-p-16864836