In order to ensure the secure operation of software and services, prevent the illegal acquisition of your personal information, and more accurately prevent fraud and protect account security, we will collect your device information (device manufacturer, device model, device language, device name, operating system and application version and type, language settings, resolution, IP address, system platform, system version), application package name and version, device serial number, independent device identifier (iOS advertising identifier (IDFA), network card (MAC) address, International Mobile Device Identity (IMEI), OpenUID, etc.). If you do not agree to our collection of the aforementioned information, we may not be able to complete the risk control verification. Please understand that in order to dynamically detect whether your account has abnormal login and based on data statistics, we will also collect your device information when your device is in the background/silent state, and after completing the corresponding statistics, we will use measures such as de identification and encryption to protect it. We will control the reading frequency within a reasonable range.