Cookie Policy
Last updated 2026-10-20.
What we store in your browser
| Item | Purpose | Type |
|---|---|---|
| Session cookie | Keeps you logged in and protects forms against forgery (CSRF). The cookie ends when you close the browser; the server forgets a session that has been idle for 7 days. | Essential |
| Cloudflare Turnstile | Anti-bot check on signup and some forms | Essential (security) |
| App files cache (service worker) | Lets the site load faster and install as an app. Never stores prices, balances or account pages. | Essential |
| Language choice (cookie "lang", one year) | Remembers the language you picked | Essential |
| Closed notices (cookie "news_x", 90 days) | Remembers which news notices you closed, so they do not come back. It holds only the numbers of those notices | Essential |
| Preferences (local storage) | Your light/dark choice, the chart tools you switched on, whether the Advanced trading panel is open and hints you dismissed. They stay in your browser and are never sent to us. | Essential |
| Image pack (IndexedDB) | Your own pictures, only if you add them. Never sent to us. | Your choice |
| Cookie choice | Remembers your answer in the banner, when one is shown | Essential |
We currently use no analytics and no advertising cookies.
If ads are switched on later
Ad networks may set cookies to show and measure ads. They will only load after you accept them in the cookie banner, and you can change your mind at any time with the "Cookie settings" link in the footer. Declining ads never limits any game feature.
Contact
OneStonks, contactus@onestonks.app.