Privacy Policy

Your Privacy Our
Top Priority

Find out exactly how your personal information is collected, stored, and protected at d678 — all presented transparently. We believe data protection is not just a rule; it's our responsibility.

Last Updated: January 2026

How d678 Protecting your data

SSL 256-bit encryption

All your data and transactions are secured with SSL 256-bit encryption. Bank-grade security keeps your data out of reach of third parties.

We Do Not Sell Your Data

D678 never sells your personal information to any third party. Our revenue comes from gaming services — not your data.

Secure Data Servers

Payment information and personal data are stored on separate, secured servers. Regular security audits and monitoring are conducted continuously.

Your control

You can view, correct, or request deletion of your personal information at any time. Full control stays with you.

Marketing Opt-Out

You can opt out of promotional emails or SMS at any time. We respect your preferences.

International standards

D678's Privacy Policy is built to international data protection standards and is kept regularly updated.

1. Introduction

D678 (d678.win) is an online gaming and Sports Betting platform serving users in Bangladesh. We place the highest importance on our users' privacy and are fully committed to protecting their personal information.

This Privacy Policy is written in plain language so every d678 user can understand it clearly. By creating an account or using any of our services, you are considered to have agreed to this Privacy Policy. Please read it in full before registering.

D678 believes that data protection is not just a legal obligation — it is an ethical responsibility to our users. We will never misuse your information or sell it to third parties. This commitment is the cornerstone of our business.

Please remember: This Privacy Policy forms part of d678's terms and conditions. Both documents apply together.

2. What Information We Collect

D678 only collects information that is necessary to provide our services, maintain security, and meet legal obligations. We do not collect excessive or unnecessary data.

Data Type Example Reason
Identity Information Full name, date of birth, NID number KYC verification & age confirmation
Contact Information Mobile number, email address Account management & support
Financial information Mobile banking number, transaction history Payment Processing
Device Information IP address, browser type, device ID Security & Fraud Prevention
Usage Patterns Game history, betting patterns Service Improvement & Responsible Gaming
Cookie data Session Cookies, Preference Cookies Improving User Experience

The main sources of data collection are: registration forms, KYC verification, transactions, automatic collection during platform use, and contact with customer support.

3. How We Use Your Information

D678 uses the information it collects solely for the purposes listed below. We never use your data for anything beyond these stated purposes:

1
Account management

For registration, login, password recovery, and account security.

2
Payment Processing

To process deposits and withdrawals securely.

3
Fraud Prevention

To detect suspicious activity and keep your account secure.

4
Customer Support

To resolve your issues quickly and provide better support.

5
Promotional Communications

To inform you of bonuses, offers, and important updates (opt-out available).

6
Legal obligations

To meet regulatory authority requirements.

Our Commitment to Transparency: d678 never sells your information to advertisers or data brokers. Our business model relies entirely on gaming services.

4. Data Sharing & Disclosure

D678 does not generally share your personal information with third parties. However, sharing may occur in the following limited circumstances:

  • Payment Providers: Limited information is shared with mobile banking services such as Mobile Banking, Nagad, and Rocket to verify transactions.
  • Law enforcement: Information may be disclosed as part of a court order or valid legal process.
  • Regulatory Authority: Specified information is provided as directed by the licensing authority.
  • Technology Partners: Technology service providers operating the platform may access limited data, but are bound by strict confidentiality agreements.
  • Business Transfer: Users will be notified in advance in the event of a company merger or acquisition.

In all of the above cases, d678 ensures that only the minimum necessary information is shared and that the highest security standards are maintained.

6. Data Security Measures

D678 uses industry-leading security technology to keep your data safe. Our security framework is as follows:

  • SSL/TLS 256-bit encryption — across all data transfers
  • Two-factor authentication (2FA) — for account login
  • Firewall & DDoS protection — at the server level
  • Regular security audits — conducted by independent third parties
  • Payment data stored in a separate encrypted vault
  • 24/7 Cybersecurity Monitoring Team
  • Regular data protection training for all staff

In the event of a data breach, d678 will promptly notify all affected users and take the necessary steps to address the situation. We handle such matters with full transparency.

Security Tips: To keep your account secure, use a strong password, enable 2FA, and never share your password with anyone.

7. Your Rights

As a d678 user, you have the following rights over your own data. Contact support to exercise any of these rights:

  • Right to Access: You have the right to know what information we hold about you.
  • Right to Rectification: You may request corrections to any inaccurate or incomplete information.
  • Right to Erasure: You may request deletion of your data under certain circumstances.
  • Right to Object to Processing: You may object to the use of your data for specific purposes.
  • Data Portability: You can request an export of your data in a standard format.
  • Marketing Opt-Out: The option to unsubscribe from promotional communications is always available.

D678 typically responds to requests within 30 business days. Due to legal obligations, some data may not be eligible for deletion, in which case the reason will be clearly communicated.

8. Data Retention Period

D678 does not retain any information longer than necessary. Retention periods vary depending on the type of data:

  • Account information: For the duration of the active account and up to 5 years after closure.
  • Transaction Records: Retained for up to 7 years as required by law.
  • KYC documents: Up to 5 years after verification is completed.
  • Gaming history: For the duration of the active account and 3 years after closure.
  • Support Conversations: Up to 2 years.
  • Cookie data: Session cookies are deleted when the browser is closed; persistent cookies last up to 1 year.

Once the retention period expires, data is securely deleted or anonymized. Some data may be retained longer due to legal obligations.

9. Protection of Minors

D678 strictly prohibits anyone under 18 from registering or using our services. We never knowingly collect or process personal information from minors.

If a parent believes their child has registered by mistake, please contact our support team immediately. We will promptly close the account and delete all associated data.

A note to parents: Please monitor your child's internet use. d678 is a platform intended for adults only.

10. Policy Changes

D678 may update this Privacy Policy from time to time. We revise it whenever there are changes to the regulatory environment, technology, or our business practices.

Before any significant changes take effect, we will notify users via their registered email or mobile number. Notice will be given at least 14 days in advance.

Continued use of the platform after any update indicates your acceptance of the revised policy. If you do not agree with the updated policy, you may request to close your account.

11. Contact Us

For any questions, requests, or complaints regarding our Privacy Policy, please contact our dedicated Privacy Team:

  • Email: [email protected]
  • Live Chat: Log in to the platform and click the support icon
  • Response Time: Usually within 24–48 hours

We take every request seriously and do our best to resolve it as quickly as possible. Your privacy genuinely matters to us.

Privacy Policy FAQ

No, d678 never sells your personal information to any third party. Limited data may be shared for payment processing or legal compliance purposes, but strictly under controlled conditions.

Yes, you can request deletion of your data at any time. However, transaction records and KYC documents must be retained for a specified period due to legal obligations. To submit a request, contact us at [email protected].

You can update your notification preferences in Account Settings, or click the "Unsubscribe" link at the bottom of any promotional email. You can also reach out to our support team directly.

d678 does not store full card numbers or complete payment details. For mobile banking transactions, only the last few digits of the number are retained for transaction record purposes.

A notification will be sent to your registered email or mobile at least 14 days before any significant change takes effect. You can also check the "Last updated" date at the top of this page.

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