# FAQ ## What if there are no winners? If BNB in the prize pools isn't won it doesn't go to waste! Unclaimed BNB rolls over to the next Lottery round. ## Can I swap my tickets back to BNB or CROISSANT? No, once purchased you will not be able to convert your ticket back. ## If I win, do I need to manually claim the prize? No, We will send to your wallet by smart contract if you won the game. ## How often is the lottery? A new Lottery round starts every 14000 blocks (approximately 12 hours). ## What transaction fee will I pay for buying tickets? Every ticket purchase you make will be one transaction. Purchasing a single ticket in a Lottery purchase will cost the normal amount of fees for a transaction. Also If you won the game, you'll have a 5% fee for the transaction fee. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://dreamtopia.gitbook.io/dreamtopia/games/crossiant-lottery/faq.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.