Legal Document

big tk Privacy Policy

This document provides a full account of how your personal information is collected, used, and kept safe at big tk.

SSL Encryption For Ages 21+ Bengali and English Support Mobile Wallet Secured
Last Updated: January 2025

This privacy policy applies to users of the big tk platform. When you use our website, register, or use any of our services, you are considered to have accepted the terms of this policy. Protecting your privacy at big tk is one of our primary responsibilities.

Alongside this privacy policy, please also read our Terms and Conditions, as both documents together form the complete framework governing your account.


1 Scope of Data Collection

big tk collects certain information from users in order to provide its services. This information is gathered in two main ways: directly (when you provide information yourself) and indirectly (automatically while you use our platform).

1.1 Information Provided Directly

The information you provide to us directly includes:

  • Full name and date of birth (for age verification)
  • Mobile number and email address
  • Residential address
  • Mobile wallet number (bKash, Nagad, Rocket, or Upay) used for deposits and withdrawals
  • Documents required for identity verification (national ID card or passport)
  • Messages and information provided when contacting customer support

1.2 Automatically Collected Information

When you use the big tk platform, the following information may be collected automatically:

  • IP address and device identifier information
  • Browser type and version
  • Duration of your session and usage patterns
  • Information collected through cookies and similar tracking technologies
  • Login history and security-related information

2 Purpose of Data Use

big tk uses your information only for defined purposes. Your personal information is not used for any purpose other than those listed below:

  1. Account Management: To handle registration, verification, and account security.
  2. Financial Transactions: To process deposits and withdrawals and to prevent financial fraud.
  3. Service Improvement: To improve the quality of the platform and enhance the user experience.
  4. Customer Support: To resolve your queries and complaints and to provide effective assistance.
  5. Age Verification: To confirm that all users are aged 21 or above.
  6. Legal Obligations: To comply with applicable laws and regulations.
  7. Communication: To notify you of important updates, policy changes, or matters relating to your account.

3 Data Storage and Security

big tk adopts industry-standard technical and administrative measures to ensure the security of your information. All data stored on our servers is protected with SSL (Secure Socket Layer) encryption technology.

3.1 Technical Security Measures

  • TLS 1.2 or higher encryption is used for all data transmission.
  • Payment information is stored in a separate and additionally secured environment.
  • Firewalls and intrusion detection systems are active to prevent unauthorised access to servers.
  • Regular security audits are conducted.

3.2 Data Retention Period

Your information is retained for as long as your account is active and for as long as necessary after account closure to meet applicable legal obligations. Financial transaction records are generally kept for the required period.


4 Sharing Data with Third Parties

big tk never sells, rents, or shares your personal information with third parties for marketing purposes. However, information may be shared in the following limited circumstances:

4.1 Payment Processors

Only the necessary information is shared with the relevant mobile wallet provider when processing transactions through bKash, Nagad, Rocket, and Upay. These third parties are governed by their own privacy policies.

4.2 Legal Requirements

Information may be disclosed to satisfy court orders, lawful requests from government authorities, or the requirements of applicable law.

4.3 Business Continuity

In the event of a merger, acquisition, or transfer of assets, your information may be transferred to the new entity — subject to protections equivalent to those in this privacy policy.


5 Cookies and Tracking Technologies

big tk uses cookies to operate the platform correctly and to improve your experience. Cookies are small text files stored in your browser.

5.1 Types of Cookies

  • Essential Cookies: Required for login state, session management, and security tokens.
  • Functional Cookies: Used to remember language preferences and personalised settings.
  • Analytics Cookies: Used to understand how users interact with the platform, which helps with service improvement.

You can manage cookies through your browser settings. However, disabling essential cookies may affect certain key functions of the platform.


6 Your Rights

As a registered user of big tk, you have the following rights over your own information:

6.1 Right of Access

You can request a copy of the information we hold about you at any time.

6.2 Right to Rectification

If you believe any of your information is incorrect or incomplete, you can request that it be corrected. Some information can be changed directly through account settings; for others, you will need to contact customer support.

6.3 Right to Erasure

In certain circumstances, you can request that your information be deleted. However, some information may be required to be retained for a set period due to legal obligations.

6.4 Right to Object to Processing

You also have the right to object to certain uses of your information and to request restrictions on its processing.

big tk is committed to responsible gaming. Please read the responsible gaming guidelines page to learn about setting your own gaming limits.


7 Protection of Minors

big tk is intended solely for persons aged 21 or above. We do not knowingly collect information from anyone under the age of 21. If information belonging to a minor reaches us in any way, it will be deleted immediately and the associated account will be closed.

The age verification process at registration is mandatory. Identity document information provided during this process is used solely for the purpose of confirming age and is stored with the highest level of security.


8 Third-Party Links and Services

The big tk platform may occasionally reference third-party services. big tk is not responsible for their own privacy policies. You are encouraged to familiarise yourself with the privacy policy of any third-party service before using it.


9 Changes to This Policy

big tk reserves the right to review and update this privacy policy as needed. If any significant changes are made, we will notify you via your registered email or mobile number, and the date of the latest update will be noted on this page.

Continued use of the platform after any changes indicates that you have accepted the updated policy. You should therefore check this page regularly.


10 Applicable Law

This privacy policy has been drawn up in accordance with applicable information technology and data protection laws of Bangladesh. In the event of any dispute or ambiguity, the jurisdiction of the courts of Bangladesh will apply.

If you have any questions about this policy or our services, visit our FAQ section — it contains detailed answers to common questions.

Contact Us About Privacy

If you have any questions, requests, or concerns about the protection of your information, our support team is available 24/7 to help.

Live Chat — 24/7
Support in Bengali and English