Privacy Policy

How 639 Protects Your Privacy

Your personal data is a trust we take seriously. This section transparently explains how the 639 platform collects, stores, and protects your data.

Last Updated: January 2026
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12 Sections
Our commitment

What we do to protect your data

A quick overview of the steps we take to protect your privacy on the 639 platform.

SSL encryption

Every transaction and data exchange is protected with 256-bit SSL encryption. No third party can access your data.

Secure Data Storage

Your personal data is stored on encrypted servers. Regular security audits are conducted and access is strictly controlled.

Not Shared with Third Parties

Your data is never shared with third parties except where legally required. Your identity remains completely confidential.

Cookie controls

We only use necessary cookies. You can adjust your cookie settings at any time and withdraw your consent whenever you wish.

User Rights

You have the full right to view, correct, or delete your own data. We process your requests within a maximum of 30 days.

24/7 Support

If you have any questions or concerns about privacy, our support team is always here to help. Assistance is available in Bangla.

Last Updated: January 2026 Bangla Version Version 3.2
By using the 639.onl platform, you are considered to have read and agreed to all terms of this Privacy Policy. Please read the full document carefully.

1 What data we collect

Various types of information are collected when you create and use an account on the 639 platform. The primary purpose is to deliver the best possible service and ensure platform security.

Directly Provided Information

  • Full name, date of birth, and nationality
  • Email address and mobile number
  • Residential address and postal code
  • National ID or passport details (for KYC verification)
  • Payment method details (Mobile Banking, Nagad, Rocket, bank account)

Automatically Collected Information

  • IP address and device type (mobile / desktop / tablet)
  • Browser type and operating system
  • Visit timestamps and session data on the platform
  • Page views, click patterns, and gaming behavior
  • Transaction history and betting activity
We never collect unnecessary personal data. Only information required to deliver our service and ensure security is collected.

2 How Collected Information Is Used

639 uses the data it collects solely for specific, defined purposes. The table below sets out each purpose and its legal basis in detail.

Type of Information Purpose of Use Legal basis
Identity Information Account creation and KYC verification Contractual Requirements
Contact Information Sending notifications and providing support services Legitimate Interest
Payment Information Deposit & Withdrawal Process Contractual Requirements
Behavioral data Service Improvement & Personalization Consent
Technical Information Fraud Prevention & Security Legal obligation

Your explicit consent will be obtained before your data is used for marketing purposes. You can opt out of marketing communications at any time.

3 Information Sharing & Disclosure

Sharing your personal data with third parties goes against 639's policy — though in a limited number of circumstances it may be necessary.

When Information May Be Shared

  • Payment Processors: Necessary information is shared with Mobile Banking, Nagad, and similar services to process deposits and withdrawals.
  • Law enforcement agencies: Data may be disclosed when required by a court order or legal obligation.
  • Licensing Authority: Information may be shared to meet regulatory requirements.
  • Technology Partners: Service providers supporting platform operations work under strict confidentiality agreements.
639 never sells your personal data or shares it with advertisers.

4 Cookies and tracking technologies

The 639 platform uses cookies and similar technologies to enhance your experience. Cookies are small data files stored on your device that help us remember your preferences.

Cookie type

  • Essential cookies: Login sessions and security tokens — the platform cannot function without these.
  • Functional cookies: Remembers language settings, game preferences, and account customizations.
  • Analytical Cookies: Platform usage statistics are collected to help improve our services.
  • Marketing Cookies: Activated only with your consent.

You can manage cookies at any time through your browser settings. However, disabling essential cookies may affect certain platform features.

5 Data Security Measures

639 applies industry-standard security measures to protect your data. Our security framework is regularly updated and tested.

  • 256-bit SSL/TLS encryption — applied to all data transfers
  • AES-256 encryption — for sensitive data at rest
  • Two-Factor Authentication (2FA) — for account access
  • Regular third-party security audits and penetration testing
  • 24/7 security monitoring and suspicious activity detection
  • Strict data access controls and training for all staff
No system is 100% invulnerable to cyber threats. That said, we are committed to maintaining the highest level of security. If you notice any suspicious activity, please notify us immediately.

6 Data Retention Period

639 retains your personal data only for as long as necessary. Retention periods depend on the type of data and applicable legal requirements.

Type of Information Retention Period
Account information 5 years after account closure
Transaction Records Up to 7 years (as required by law)
KYC documents 5 years after account closure
Communication Logs 2 Years
Cookie data Maximum 12 months

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

7 Your rights

You have full control over your own data. 639 respects the following rights and is committed to fulfilling them through the proper process.

Right of access

You have the right to know what data we hold about you and to receive a copy.

Right to Rectification

You can request a correction if any of your personal information is inaccurate.

Right to Erasure

You may request deletion of your personal data in certain situations.

Right to Restrict Processing

You have the right to object to the processing of your information in certain circumstances.

Right to Portability

The right to receive your data in a structured format and transfer it elsewhere.

Right to Withdraw Consent

You have the right to withdraw any consent you have previously given at any time.

To exercise any of these rights, contact our support team. We will process your request within 30 days.

8 Minor Protection

The 639 platform is intended exclusively for users aged 18 and above. We do not knowingly collect personal data from minors.

  • Age verification is mandatory at the time of registration.
  • If it is found that a user is under 18 years of age, their account will be immediately closed and all associated data will be deleted.
  • If parents have any concerns, they are welcome to contact us — we will investigate and take appropriate action.

9 Third-Party Links & Services

The 639 platform uses certain third-party payment gateways and technology services. These services operate under their own privacy policies, which are outside our control.

  • Third-party service providers operate under strict data processing agreements.
  • We share only the minimum necessary data with third parties.
  • Game software providers used on the platform follow their own separate privacy policies.
  • When you visit a third-party website, that site's own privacy policy will apply.
All third-party partners are vetted for their data protection standards before selection. We work only with trusted and secure service providers.

10 International data transfers

As an international platform, 639 may process your data on servers located in different countries. In such cases, we take the following protective measures.

  • Maximum-strength encryption is used for all international data transfers.
  • We ensure that countries receiving transferred data have adequate data protection laws in place.
  • Standard Contractual Clauses (SCCs) are followed for data transfer processes.
  • Your data is not transferred to other countries unnecessarily.

11 Privacy Policy updates

639 may update this Privacy Policy from time to time. You will be notified based on the nature and significance of any changes.

  • At least 7 days' notice will be given via email or the platform before any significant changes take effect.
  • The date of the latest policy will be noted at the top of the page.
  • Continued use of the platform after any changes takes effect constitutes acceptance of the updated policy.
  • Previous versions may be available upon request.
We recommend visiting this page regularly to stay informed about the latest Privacy Policy.

12 Contact & Complaints

If you have any questions, concerns, or complaints about this Privacy Policy or how your data is processed, please get in touch with us.

We aim to respond within 48 hours of your contact. Complex requests may take up to 30 days.

Our data protection team can communicate in Bengali. Use live chat to get support in your own language.

Your data is secure — join now!

Your privacy is fully protected at 639. Register today for a safe and enjoyable gaming experience.

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