Privacy policy
Last updated: 2026-11-11
1. Information we collect
- Account: email, nickname, password hash, locale and signup time.
- Usage: page path, referrer, device type, country-level region and timestamp.
- Transactions: order number, plan, amount, payment channel, status and channel transaction id.
- User content: projects, comments, favorites and contact messages you submit.
2. How we use it
- To provide login, membership, orders, favorites and project publishing.
- To measure traffic and improve content and product experience.
- To prevent fraud, abuse and security risks.
- To send newsletter emails and serve personalized ads when you consent.
3. Cookies and local storage
Essential cookies keep you signed in, and local storage remembers your consent choice and language. Non-essential analytics and ad scripts load only after you choose “Accept”; if you decline, ad code is not loaded and impressions are not recorded. See the Cookie Policy.
4. Third parties
Payments may be processed by WeChat Pay, Alipay, Creem or on-chain networks. Analytics is first-party. Ads may be served by Google AdSense and similar providers, each following its own privacy policy.
5. Retention and security
Account data is kept while the account exists; order data is retained for financial compliance. Passwords use salted scrypt hashes and sessions use signed cookies.
6. Your rights
You may access, correct or delete your profile and request an order export. Use the contact page for account deletion or other requests.
7. Contact
For privacy questions, email privacy@opcman.com.