Data protection

Bk4 Privacy policy — your data is safe with us

At bk4, we are fully transparent about how your personal data is collected, used, and protected. This privacy policy explains in detail how your data is managed and what rights you have.

Last Updated
January 2026
Drafted in accordance with GDPR and international data protection standards.

How We Protect Your Privacy

Bk4's six core commitments to protecting your data

SSL Encryption

All bk4 pages and transactions are secured with 256-bit SSL encryption. Your password and payment details are fully protected from unauthorized access.

Secure Data Storage

All your data is stored on secured servers. Multiple layers of security are in place to prevent unauthorised access.

We Don't Sell Your Data

Your personal data is never sold or rented to third parties. It is used solely to provide and improve your experience.

Identity verification

Identity document information collected during the KYC process is used solely to meet legal requirements. It also helps keep your account secure.

Marketing Controls

You can unsubscribe from promotional emails or SMS at any time. Your preferences matter to us.

Regular audits

Our data protection measures are regularly audited by independent third parties to ensure the highest security standards are maintained.

Your Data Rights

Your Rights Under the bk4 Privacy Policy

Right to access

You have the right to know what data we hold about you. Contact our support team at any time to find out.

Right to Correct Your Information

If any of your information is incorrect, you have the right to have it corrected. This can be done through your account settings or by contacting support.

Right to erasure

Unless required by law, you can request deletion of your personal data after your account is closed.

Right to Object to Processing

You have the right to object to the use of your data for specific purposes, particularly for marketing communications.

Right to data portability

You can request your data in a structured, portable format. Our support team will deliver it within 30 days.

Right to Restrict Processing

In certain circumstances, you can request that processing of your data be temporarily restricted.

Your Data Is Safe

If you have any privacy-related questions, our support team is always here to help.

View FAQ
Last Updated: January 2026

This Privacy Policy applies to all members using the bk4 platform. By creating an account, you agree to this policy. Please read it in full.

1 What data we collect

We collect various types of data when you create an account with bk4 and during your continued use of the platform. The primary purpose is to deliver the best possible service, keep your account secure, and meet our legal obligations.

We collect data from three sources: what you provide directly, what is automatically collected during your use of the platform, and information received from third-party verification agencies.

Type of Information What We Collect How It's Collected
Identity Information Name, date of birth, nationality Registration Form
Contact information Mobile number, email address Registration Form
KYC documents NID, passport, or driving licence Verification Process
Financial Information Mobile banking number, transaction history Payment Processing
Device Information IP address, browser, device type Automatic
Usage data Betting history, gaming patterns, login times Automatic
  • We never store your bank account number or card details.
  • Collecting unnecessary personal information goes against our policy.
  • The purpose of data collection will always be clearly communicated to you at the time it is collected.

2 How we use your data

Bk4 uses your personal information only for specific, legitimate purposes. We never use your data unnecessarily or in any way that could harm you. Every use has a clear and justified reason behind it.

We are fully transparent about our privacy practices. Below is a detailed breakdown of the purposes for which your data is used:

  • Account management: To create, verify, and maintain your account.
  • Transaction Processing: To process deposits and withdrawals accurately.
  • Service Improvement: To analyse betting patterns and improve your experience.
  • Fraud Prevention: To prevent illegal activity and money laundering.
  • Legal obligations: To meet regulatory requirements.
  • Customer Support: To address your questions and resolve any issues.
  • Promotional Communications: To send you offers only with your consent.

You can opt out of promotional communications at any time — just message our support team or click the Unsubscribe link in any email.

3 Cookies Policy

The bk4 website uses cookies and similar tracking technologies. Cookies are small text files stored in your browser that help enhance your browsing experience.

  • Essential cookies: Required for login state and security purposes. These cannot be disabled.
  • Functional cookies: To remember your language preferences and settings.
  • Analytics Cookies: To monitor and improve site performance.
  • Marketing Cookies: To show relevant advertisements — you can opt out of this at any time.

You can delete or disable cookies at any time through your browser settings. Note that disabling essential cookies may affect certain parts of the site.

4 Who your data is shared with

Bk4 never sells your personal information. However, in certain circumstances, limited data may be shared with our trusted partners. In every such case, the protection of your data is fully ensured.

  • Payment Processor: Payment services such as Mobile Pay, Nagad, and Rocket receive the information necessary to process transactions.
  • KYC verification agencies: Shared with trusted third parties for identity verification purposes.
  • Legal authorities: Data may be disclosed in response to lawful requests from courts or regulatory authorities.
  • Fraud prevention agencies: Data may be checked against industry-standard databases to help prevent fraudulent activity.

All of our third-party partners operate under strict data protection agreements. They are not permitted to use your information for their own purposes.

5 How Long We Retain Your Data

Bk4 does not retain your data longer than necessary. All information is stored while your account remains active. After account closure, certain data may be kept for a legally defined period.

  • Account data: up to 5 years after closure (legal requirement).
  • Transaction records: up to 7 years (in accordance with financial regulations).
  • KYC documents: up to 5 years.
  • Customer service communications: retained for up to 2 years.
  • Marketing preferences: until consent is withdrawn.

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

6 Protection of Minors

Bk4 is strictly prohibited for anyone under 18. We never knowingly collect information from minors. Age is verified at registration, and additional verification may be requested in cases of suspicion.

If a minor accidentally creates an account, a parent or guardian can contact us to have it closed immediately and all associated data permanently deleted.

7 Our security measures for data protection

Bk4 uses industry-leading security technology to protect your data. Our security systems are continuously updated to guard against emerging cyber threats.

  • TLS 1.3 Encryption: All data transfers are secured with the highest level of encryption.
  • Two-Factor Authentication (2FA): Add an extra layer of security to your account.
  • Firewall & DDoS protection: Our servers are kept secure and operational at all times.
  • Regular security audits: Periodic testing conducted by independent third-party specialists.
  • Staff Training: All staff receive regular training on data protection.

Your password is never visible to our staff — it is stored in a one-way hash format. bk4 will never ask for your password by phone or email.

8 Changes to the Privacy Policy

Bk4 reserves the right to update this Privacy Policy as needed. If any significant changes are made, we will notify you in advance via email or an in-platform notification.

  • Minor changes: published on the website with the update date.
  • Major changes: you will be notified separately via email or SMS.
  • Continued use of the site after any changes have taken effect will be considered acceptance of the updated policy.
  • If you do not agree to the updated policy, you have the right to close your account.

We always aim to give you enough notice so you can decide how to respond to any changes. The "Last Updated" date at the top of this page will always reflect the most recent revision.

9 Contact us

If you have any questions, complaints, or requests regarding this Privacy Policy, please reach out to our dedicated data protection team. We aim to respond within 72 hours.

  • Email: support@bk4.online
  • We typically respond within 24–72 hours.
  • For more general questions, visit our FAQ page View.

When submitting a request for data deletion or correction, please write from your registered email address and clearly state the nature of your request. This will help us process it faster.

Play Safe

Your data is protected —
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