WINChat Privacy Policy WINChat（云聊）隐私政策

1. Scope of Application 一、适用范围

This Privacy Policy applies to the WINChat mobile applications, website, desktop clients, APIs, and associated services. Third-party websites, applications, or services integrated into or linked from WINChat operate under their own independent privacy policies, and their information processing is not governed by this policy. 本政策适用于 WINChat（云聊）移动应用、网站、桌面客户端及相关服务。第三方网站、应用或服务有独立的隐私政策，其信息处理不受本政策约束。

2. Information We Collect 二、我们收集的信息

• Account Information: 账号信息： Mobile phone numbers or email addresses required for registration, verification codes, nicknames, avatars, personal signatures, and security settings. 注册所需的手机号码或电子邮箱、验证码、昵称、头像、个人简介及账号设置。
• Communication Content: 通讯内容： Text, photos, audio messages, videos, documents, emojis, and group announcements actively sent or received by you. To deliver, synchronize, and store messages, our servers process such content. 您主动发送或接收的文字、图片、视频、文件、语音、表情、群组信息和相关附件。为完成消息发送、同步和存储，服务可能在服务器上处理这些内容。
• Contact Information: 联系人信息： When you grant address book permissions, we may process hashed phone numbers or identifiers solely to help you discover friends. Refusal of this optional permission does not affect core messaging functions. 当您主动授权通讯录权限时，我们可能处理联系人号码或标识，用于查找好友；我们不会因您拒绝授权而阻止核心聊天功能。
• Device & Log Data: 设备与日志： Device model, operating system version, app version, language, time zone, IP address, network carrier, push notification tokens, login timestamps, crash diagnostics, and security logs. 设备型号、操作系统、应用版本、语言、时区、IP 地址、网络类型、推送令牌、登录时间、崩溃记录及安全事件日志。
• User Feedback & Inquiries: 您主动提供的信息： Information you submit when contacting customer support, reporting violations, or participating in surveys, as well as voluntary geolocation information if shared. 您提交给客服、举报、反馈或调查问卷中的信息，以及您选择上传的位置信息或其他资料。

3. How We Use Your Information 三、我们如何使用信息

We process personal information to create and manage accounts, deliver messages and push notifications, synchronize chat history across authorized devices, provide voice and video calling, improve user experience, respond to customer inquiries, detect spam and abusive conduct, protect platform security, and comply with legal requirements. 我们使用个人信息来创建和管理账号、传递消息和通知、同步聊天记录、提供语音或视频通信、改进产品、处理客服请求、检测垃圾信息和欺诈、保护账号及服务安全、履行法律义务，以及在取得必要同意后发送服务相关通知。

We do not sell your personal data, nor do we use your private chat contents for third-party targeted behavioral advertising. 我们不会出售您的个人信息，也不会将聊天内容用于与 WINChat 无关的商业定向广告。

4. Message Security and Transmission 四、消息和通信安全

We employ strict access controls, transport layer encryption (TLS/HTTPS/WSS), database authorization barriers, backup redundancy, and security auditing to safeguard information. Please do not transmit sensitive security credentials, private keys, or passwords through chat conversations. 我们会采取访问控制、传输加密、权限管理、备份保护和安全监控等措施保护信息。不同功能的加密方式可能不同；除非应用内明确说明，您不应将 WINChat 理解为所有场景均提供端到端加密。请勿在聊天中发送密码、私钥、验证码或其他不应披露的敏感信息。

5. Information Sharing and Disclosure 五、信息共享

We only share information within the scope strictly necessary to provide the Services, such as with cloud hosting providers, SMS/email verification services, push notification gateways (Apple APNs / Google FCM), content security moderation, and customer support infrastructure. All partners are bound by confidentiality and contractual obligations. We may also disclose information where required by law, valid court orders, or law enforcement regulations. 我们仅在提供服务所必要的范围内与云服务、短信/邮件、推送、内容审核、客服、分析和安全服务供应商共享信息，并要求其按照合同和适用法律处理信息。我们也可能在法律要求、保护用户和公众安全、处理欺诈或维护权利时向监管机关、司法机关或其他相关方披露信息。未经您同意，我们不会将您的信息用于无关的第三方营销。

6. Third-Party Integrations 六、第三方功能

If you utilize third-party plugins, web3 wallet connections, maps, or external links, the respective third parties process data according to their own privacy statements. Please review their policies before using external integrations. 如果您使用第三方登录、分享、支付、地图、文件存储或其他集成功能，相关第三方可能按照自己的政策处理信息。请在使用前阅读其隐私政策，并根据需要在设备设置中管理权限。

7. Cross-Border Data Transfers 七、跨境传输

To support our global messaging network, your data may be processed on servers located outside of your jurisdiction. We apply appropriate administrative, technical, and physical safeguards in accordance with international data transfer standards. 为提供全球服务，您的信息可能被传输、存储或处理在您所在国家/地区以外的服务器或供应商处。我们会根据适用法律采取合同、技术和组织措施保护跨境传输的信息。

8. Data Retention & Deletion Policy 八、保存期限与数据删除

We retain personal data only for the period necessary to fulfill the purposes described in this Privacy Policy. When an account is terminated or deleted, personal profile data, contacts, and messaging contents are permanently purged. Content already sent to other users may have been saved, captured, or forwarded by recipients. 我们仅在实现本政策所述目的所需的期限内保存信息。账号注销后，个人基本资料、社交关系和通讯内容将被永久清除。已发送给其他用户的内容可能已被对方保存、截图或转发。

9. Your Privacy Rights 九、您的权利

Under applicable privacy laws, you possess the right to access, rectify, or delete your personal data, withdraw device permissions (contacts, notifications, camera), export your information, or permanently cancel your account. You can exercise these rights within the app under Account Settings or by contacting our support email at support@bitara.co. 在适用法律允许的范围内，您可以访问、更正或删除账号信息，申请导出个人数据，撤回通讯录、位置、通知等可选权限，或注销账号。部分信息是提供服务所必需的，删除或撤回可能导致部分功能不可用。您可以通过客服邮箱提交请求，我们可能先验证您的身份。

10. Protection of Minors & Child Safety 十、未成年人保护与儿童安全

WINChat is not intended for individuals who do not possess legal consent capacity under the laws of their jurisdiction. If you are under the age of majority, please use the service only with parental or guardian consent. If we become aware that we have collected information from a minor without verified consent, we will promptly delete it. WINChat 不面向不具备独立同意能力的未成年人提供服务。若您所在地区要求监护人同意，请在取得监护人同意后使用。若我们发现未经适当同意收集了未成年人信息，请通过客服联系我们。

We enforce an absolute zero-tolerance policy regarding child sexual abuse and exploitation (CSAE) and child sexual abuse material (CSAM). For our comprehensive rules and reporting protocols, please review our WINChat Child Safety Standards. 我们对任何涉及儿童性虐待与性剥削（CSAE）及儿童性虐待材料（CSAM）的行为实行严格零容忍。详情请参阅我们的独立政策规范：《云聊（WINChat）儿童安全标准》。

11. Updates to this Policy 十一、政策更新

We may update this Privacy Policy from time to time to reflect operational, legal, or regulatory updates. Substantial changes will be announced through in-app notices or published directly on this website. Continued use of the Services after updates indicates your acceptance of the revised policy. 我们可能因服务、法律或安全要求变化更新本政策。重大变更会通过应用内通知、网站公告或其他适当方式提示。更新后的政策发布后继续使用服务，即表示您已阅读并接受变更内容。

12. Contact Us 十二、联系我们

If you have any questions, comments, or data privacy complaints regarding this policy, please reach out to our dedicated privacy and support desk: 如您对本政策或个人信息处理有疑问、请求或投诉，请发送邮件至我们的合规支持邮箱：