Privacy & Security

Privacy Policy – Your Data Protection Guarantee on the bk4 Platform

Bk4 believes your personal information belongs to you. We are fully transparent about how we collect, store, and protect your data.

Last Updated: January 1, 2026

By using the bk4 platform, you are agreeing to this Privacy Policy. Please read it in full before registering.

1 Introduction & General Information

Bk4 (https://bk4.one) is a trusted online gaming platform committed to delivering the best entertainment experience for users in Bangladesh. This Privacy Policy ("Policy") explains how we collect, use, store, and protect our users' personal information.

By registering, logging in, playing games, or using any of our services on bk4, you agree to this Privacy Policy. We believe transparency is the foundation of trust. That is why bk4's Privacy Policy is written in plain, clear language so any user can easily understand it.

This Policy applies to bk4's website, mobile application, and all other digital platforms. We are committed to complying with all applicable data protection laws and regulations.

2 What Information We Collect

Bk4 collects various types of information from you. This information is gathered in three main ways: information you provide directly, information collected automatically, and information received from third parties.

Type of Data Example How to Collect
Identity Information Name, date of birth, national ID number Registration Form
Contact Information Mobile number, email address Registration Form
Financial Information Mobile Banking/Nagad number, transaction history Payment Processing
Technical Data IP address, device information, browser Automatically
Usage Data Game history, login times, activity Platform Usage
Communication Records Support chat history, email Customer Support

We only collect information that is necessary to provide our services. We do not collect unnecessary or sensitive data.

3 How We Use Your Information

Bk4 uses the information it collects for specific, limited purposes. In accordance with your privacy rights, this data is used for the following:

  • Account Management: To create, verify, and manage your bk4 account.
  • Service Delivery: To process gaming services, deposits, withdrawals, and other transactions.
  • Identity Verification (KYC): To verify age and identity for the prevention of fraud and money laundering.
  • Customer Support: To resolve your issues and respond to your questions.
  • Ensuring Security: To detect unusual activity and prevent fraud.
  • Legal Compliance: To comply with instructions from government or regulatory authorities.
  • Service Improvement: To analyse user experience and improve the platform.
  • Promotional Communications: To inform you about bonuses and offers, with your consent.

We never use your data beyond these stated purposes. Should we ever need to use your information for a new purpose in the future, we will notify you in advance.

4 Data Sharing & Disclosure Policy

Bk4 never sells your personal information to third parties. However, limited data sharing may occur in certain specific circumstances:

  • Payment Service Providers: Mobile Banking, Nagad, and other payment gateways receive only the information strictly necessary to process transactions.
  • Technology Partners: Technology service providers that operate the platform may have access to limited data.
  • Law Enforcement: Information may be disclosed to legal authorities pursuant to a court order or government directive.
  • Fraud Prevention Agencies: Data may be verified with industry-recognized agencies to detect money laundering or fraud.

All of bk4's third-party partners are contractually bound to uphold the same privacy standards. We make no compromises when it comes to protecting your data.

5 Data Protection Methods

Bk4 uses world-class technology and security measures to protect your data. Our security framework is multi-layered, so even if one layer is compromised, your information remains protected.

  • SSL/TLS Encryption: All data transfers are secured with 256-bit SSL encryption.
  • Database Encryption: All stored personal and financial information is kept encrypted.
  • Two-Factor Authentication (2FA): Two-factor authentication (2FA) is available as an extra layer of account security.
  • Regular Security Audits: Our systems are regularly audited by independent third-party security specialists.
  • Access Controls: Staff are granted access only to the information necessary for their role.
  • Firewall & DDoS Protection: An advanced firewall system blocks unauthorized access.

That said, no digital system is 100% impenetrable. In the event of a data breach, we will promptly notify affected users in accordance with applicable law and take every possible step to minimise harm.

6 Cookies & Tracking Technologies

The bk4 platform uses cookies and similar technologies to enhance your experience. Cookies are small text files stored on your device.

Cookie Type Purpose Duration
Essential Cookies Maintaining Login Sessions & Security Until end of session
Functional Cookies Remembering Language & Preferences 1 Year
Analytics Cookies Understanding Usage Patterns & Improvement 6 Months
Performance Cookies Monitoring platform speed and stability 30 Days

You can manage or delete cookies through your browser settings. Please note that disabling essential cookies may affect the functionality of certain platform features.

7 Your Data Rights

As a bk4 user, you have a number of important rights over your own data. We fully respect each of these rights:

Right to Access Data

You have the right to know what information we hold about you.

Right to Correct Data

You have the right to correct any inaccurate or incomplete information.

Right to Delete Data

You can request deletion of your data under specific conditions.

Right to Restrict Processing

You can request that the use of your data be restricted under certain circumstances.

Right to Data Portability

You have the right to receive your data in a machine-readable format.

Right to Object

You have the right to object to the use of your data for specific purposes.

To exercise any of these rights, please contact our support team. We will typically respond to your request within 30 business days.

8 Data Retention Period

Bk4 retains your information only for as long as necessary. In general, data is kept for the full duration that your account remains active.

  • After an account is closed, certain data may be retained for up to 5 years to meet legal obligations.
  • Transaction records are retained for the period required under financial regulations.
  • Support chat history is typically retained for up to 2 years.
  • Once consent for marketing communications is withdrawn, your data is removed from processing immediately.

Once the retention period expires, your data is securely deleted or fully anonymised.

9 Protection of Minors' Data

The bk4 platform is strictly prohibited for anyone under the age of 18. We do not knowingly collect information from minors.

If we discover that a minor has registered on our platform, we will immediately close that account and delete all collected data.

Parents and guardians are urged to take steps to prevent their children from accessing bk4. If you become aware of a minor using the platform, please notify our support team immediately.

10 Privacy Policy Updates

Bk4 may update this Privacy Policy from time to time. When changes are made, the "Last Updated" date at the top of the page will be revised accordingly.

For significant changes, we will post a notice on the platform or inform you via your registered mobile number. Continued use of the service after any changes will be considered acceptance of the updated policy.

11 Contact & Complaints

For any questions, requests, or complaints regarding our Privacy Policy, our support team is available 24/7, all seven days of the week.

Email: [email protected]  |  Support: Platform Live Chat  |  Time: Active 24/7

We aim to respond to your request within 24 hours. For complex matters, it may take up to 30 business days.

Why bk4's Privacy Policy Is Trustworthy

Encrypted Protection

All your data is secured with 256-bit SSL encryption. No third party can access or read your information.

No Data Selling

Bk4 never sells your personal information to advertisers or third parties.

Your Control

You have full control over the right to view, correct, or delete your information.

Two-Factor Verification

2FA adds an extra layer of protection to your account against unauthorized access.

Limited Retention Period

No data is retained beyond the required period. Once it expires, it is securely deleted.

Transparency in Plain Language

The entire policy is written in plain, easy-to-understand language instead of complex legal jargon, so everyone can follow it.

Frequently Asked Questions (FAQ)

No. Your password is never stored in plain text. It is converted using a one-way hashing method that cannot be decoded by anyone — including our own staff.

Only with your consent. If you do not wish to receive promotional notifications, you can opt out at any time from your account settings. Your phone number is never shared with third-party advertisers.

Most data is deleted upon request. However, financial transaction records and KYC information must be retained for a specified period due to legal obligations. These are fully deleted once that period ends.

In some cases, our technology infrastructure may operate on international servers. In all such cases, international data protection standards are followed and your information remains equally secure.

If you believe your data privacy has been compromised, contact our support team right away. We will investigate the matter seriously and take the necessary action.

Play Safe on bk4

Your privacy is our top priority. Register with confidence and enjoy the best gaming experience in Bangladesh.

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