Privacy & Data Protection

644 Privacy Policy — Your Complete Guide to Personal Data Protection

Showing that your data matters to us — not just saying it — is what we're committed to. This policy clearly states what data is collected, why it's collected, and how it's kept secure.

Last Updated: January 2026

1
Introduction & Scope

This Privacy Policy applies to the 644 platform (https://644.vin), including its website and mobile application. Throughout this policy, "644", "we", or "us" refers to the organization operating this platform.

We believe that the information you share with us is a sign of trust — and honoring that trust is our primary responsibility. This policy is written in plain, straightforward English so you can understand exactly what we do with your data, without any legal complexity.

By using any of 644's services, you agree to this Privacy Policy. If you have any concerns, please reach out to our support team.

Our Commitment

644 never sells your personal data. Your information is used solely to improve our services.

2
What data do we collect?

Various types of information are collected when you register and use 644's services. This information falls into two categories:

Information You Provide Directly:

  • Name, Date of Birth & Nationality
  • Email Address & Mobile Number
  • Identity Document Details (for KYC verification)
  • Mobile banking or e-wallet account details (for payment purposes only)
  • Contact Details for the Support Team

Automatically Collected Information:

  • IP Address & Device Type
  • Browser Type & Operating System
  • Clicks, page visits, and session duration on the platform
  • Gaming Activity & Transaction History
Type of InformationPurposeMandatory?
Name & Date of BirthIdentity VerificationYes
Email / MobileContact & VerificationYes
Identity DocumentKYC RequirementsWhere Applicable
Payment InformationTransaction ProcessingYes
Browsing DataExperience EnhancementOptional

3
How is your data used?

644 uses collected data exclusively for defined purposes. It is never used for anything beyond what is stated below:

  • Account Management: To enable registration, login, and identity verification.
  • Service Delivery: To process gameplay, handle transactions, and distribute bonuses.
  • Contact: For important updates, security-related communications, and customer support.
  • Legal Obligations: To prevent fraud and meet regulatory requirements.
  • Platform Improvement: Analyzed to improve the user experience on the platform.
  • Promotions (with consent): Offers and promotional messages are only sent if you choose to receive them.
Marketing Opt-Out

If you no longer wish to receive promotional messages, you can opt out via your account settings or by contacting support.

4
Who is your data shared with?

644 never sells your personal data to third parties. However, limited information may be shared in certain specific situations:

  • Payment Providers: Relevant information is shared with mobile banking or e-wallet providers solely to process your transaction.
  • Game Providers: When playing Live Casino games or slots, minimal data is sent to the game provider's servers solely to operate the game.
  • Legal Authorities: Information may be disclosed to regulatory bodies when required by court order or legal obligation.
  • Fraud Prevention: In cases of serious fraud, information may be shared with relevant investigative authorities.
Never

Your data is never sold or transferred to marketing companies, data brokers, or any third party for commercial purposes.

5
How Long Is Your Data Retained?

644 does not retain user data longer than necessary. Our core principle is simple: keep only what is needed, for only as long as it is needed.

  • Active Accounts: Data is retained for as long as your account remains active.
  • Closed Accounts: Transaction records are typically retained for up to 5 years to meet legal requirements.
  • KYC Documents: Retained for a specified period as required by regulatory guidelines.
  • Support Conversations: Retained for 2 years for quality control and dispute resolution purposes.

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

6
Cookies & Tracking Technologies

644's website and app use cookies and similar technologies. Cookies are small text files stored on your device that help enhance your experience.

The cookies we use:

  • Essential Cookies: For login sessions and security — the platform cannot function without these.
  • Performance Cookies: To analyze site speed and performance.
  • Functionality Cookies: To remember your preferences, such as language and settings.

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

Cookie Management

You can delete or block 644's cookies from your browser at any time.

7
Our Data Protection Measures

644 follows the highest industry standards to protect your data, with security measures applied at both the technical and organizational level:

  • Across All Data Transmissions SSL/TLS 256-Bit Encryption Use.
  • Right to Rectification AES Encryption — especially for payment and identity verification data.
  • 24/7 Security Monitoring & on Servers Firewall Protection।
  • For Suspicious Activity Automated Alert System।
  • Staff Data Access "Need-to-Know Basis" Limited under policy.
  • Regular Third-Party Security Audits (Security Audit)।
In the Event of a Data Breach

In the event of a data breach, we will notify affected users within 72 hours.

8
Your Data Rights

Every registered member of 644 holds the following rights regarding their personal data. To exercise any of these rights, please contact our support team:

1
Right to Know You have the right to know what data we have collected about you and how it is being used.
2
of Stored Data If any of your information is incorrect or outdated, you can request that it be corrected.
3
Right to Erasure You may request the deletion of your data in certain circumstances, except where we are required to retain it by law.
4
Data Portability You can request a copy of the data we hold about you in a readable format.
5
Right to Object to Processing You may object to the use of your data for marketing or profiling purposes.
6
Withdrawal of Consent You may withdraw consent previously given at any time — this will not affect any processing carried out prior to withdrawal.

9
Protection of Minors' Data

All 644 services are strictly for users aged 18 and above. We do not knowingly collect data from anyone under the age of 18.

If a minor has inadvertently created an account and we become aware of this, that account and all associated data will be deleted immediately. If you believe your child has provided information on our platform, please contact support.

A Note for Parents

Keep parental controls enabled on your device and ensure your 644 login credentials are out of reach of children.

10
Changes to This Policy

644 may update this Privacy Policy from time to time — due to changes in law, the introduction of new services, or platform improvements.

  • You will be notified of significant changes via email or platform notification in advance.
  • The date of any changes is shown at the top of the page as "Last Updated".
  • Continued use of the platform after changes take effect will be considered acceptance of the updated policy.

11
Contact & Complaints

For any questions, complaints, or requests to exercise your rights regarding this Privacy Policy, please contact us:

  • Email: [email protected]
  • General Support: [email protected]
  • Live Chat: Available on the platform 24/7 — chat with us in Bengali
  • Response Time: A written response is provided within 7 business days
Your Rights Come First

We take all data rights requests seriously and are committed to responding within the legally required timeframes.

644Data Protection Principles

We don't just write policies — we put every one of them into practice

End-to-End Encryption

Every data transfer between your device and our servers is protected with 256-bit SSL — no one can intercept it in transit.

Your Data is Never Sold

644 does not sell your personal data to marketing companies or data brokers under any circumstances.

Your Control

View, correct, or delete your data — you're in control. Submit a request at any time.

Minimal Data Collection

We only collect what is necessary to provide the service. Requesting more than that goes against our policy.

Regular Security Audits

Independent third-party experts conduct regular audits of 644's systems to ensure any vulnerabilities are identified and resolved promptly.

Transparency in Bengali

All key documents, including the Privacy Policy, are available in English — so language is never a barrier.

Your data is secure — enjoy 644 with complete peace of mind

If our Privacy Policy gives you confidence, join 644 today and enjoy a world-class, secure gaming experience.

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