1Introduction

This privacy policy stipulates how we at Banlu use and protect personal data messaging services ("services") that you provide to us or that we obtain or generate in other ways related to your use of our cloud-based data. For the purposes of this privacy policy, "we, "us" and "our" refer to Banlu, and "you" refer to you, the user of the service.

1.1Privacy policy

·We will not sell your data.
·We will not use your chat and other data to show you ads.
·We only store the data necessary for Banlu as a secure and feature-rich messaging service.
·When you publish illegal content that affects the normal operation of the platform, the platform can clean up.

2 What personal data do we use

2.1Basic account data

We use the mobile phone number you provided to register, and use your uploaded picture and personal nickname as your user profile information.
Your mobile phone number will be used as a credential to find users and a mark to distinguish the users source region. The mobile phone number will not be displayed in other peoples data. If you dont want to be searched by others through the mobile phone number, you can turn it off in the privacy settings.
Your profile picture will be displayed in the data. By default, it is only visible to your contacts. You can set the display permission of your profile picture in privacy.
Your nickname is always public, but we do not require you to use your real name.

2.2 Your email address

You can set an email address as a remedy for forgetting the two-step verification password. We will not disclose it, and as a reminder, only the first and last two characters of the mailbox will be prompted.
We will not send any marketing content to your email address.

2.3 Your message

Our global communication with the server is based on TLS encryption, which prevents your chat data from being eavesdropped or tampered with by others.
The files you upload are still encrypted to ensure that the cloud server itself cannot access your files.

2.4 Address book data

We will not obtain your system address book permissions, and will not obtain your system address book data.

2.5 Location data

When you share location data with others, in an encrypted chat, your sending location data will be encrypted end-to-end, and only the client devices of the chat participants can know your shared location.

2.6 Call & Conference

The call or meeting in the encrypted chat will also use end-to-end encryption, and will be transferred through our VoIP server, which makes the IP information not exposed to the other party during the communication process.

2.7 Your device information

In order to complete the message push function and device management function normally, we will collect your device name, platform, system version, last login time and other information. You can check the device information collected by us in Settings-Active Sessions.

2.8 Screen Recording

In the desktop version of Banlu, we provide screenshot and video recording tools to help you to send pictures or videos with others and to share your screen in meetings, screen recording permission is requested to implement this feature.
The images or videos you generate using screenshots or screen recording will only exist in your clipboard or stored in a user-selected file directory through a save operation. The screen shared in the meeting will also be transmitted to the meeting participants’ device after encryption, and the server will not store your data or be able to view your data.

3 Processing your personal data

3.1 Handling of prohibited content

We need to follow the guidelines of the App Store and Google Play, otherwise it will lead to the delisting of our platform. Therefore, we need to clean up the prohibited content inside the platform, including but not limited to pornography, violent terrorism, child harm, fraudulent information, etc. For details, please refer to "User Agreement”.

3.2 Malicious user information collection

In order to avoid malicious users from publishing spam or maliciously prohibited content on our platform, we will record the ID, mobile phone number, IP location information, login time and other information of the users we have processed. And further block related malicious user behaviors, such as deleting information, sending information, registering, etc.

4 Delete data

4.1 Account data

You can actively delete your account in the settings. When deleting, you can choose to delete all the information you send in the encrypted chat.

4.2 Information data

·In the chat, if you choose "Delete for everyone", the server will completely delete this information and notify all other devices of the chat participants to delete.
·If you select "Delete only for me", the server will mark this message as invisible to you and tell you other devices to delete it.

4.3 Self-destruct message

You can choose to specify the self-destruction attribute of the message or media when sending it, and delete it for everyone after the other party has read it for a certain period of time.

4.4 Account self-destruction

By default, if you have not been online for 3 months, we will delete your account. You can modify this time in the settings.

5 Other

We may update our privacy policy from time to time, so we recommend that you check this page regularly.
If you have any questions or suggestions about our privacy policy, please contact us.