Your Privacy Is Our Responsibility

C3666 Privacy Policy — Complete Data Protection Details

Everything about how your personal data is collected, used, and protected on the c3666 platform is transparently set out here.

Last Updated: January 2026
256-bit SSL Encryption
Your Data Is Never Sold to Third Parties
GDPR-Compliant Data Policy
Secure Data Storage
Privacy Protection Core Pillars

C3666 follows these six core principles to protect your personal information.

Strong Encryption

All your data is protected with 256-bit SSL encryption. Security is maintained at every point of data transmission.

Confidentiality Guarantee

Your personal data is never sold or rented to third parties. Data is used solely to improve our services.

You're in Control

You have the right to view, correct, and delete your personal data. Submit a request to our support team at any time.

Secure Data Storage

Our servers undergo regular security audits, and multiple layers of protection are in place to prevent unauthorized access.

Cookie Transparency

We clearly disclose which cookies are in use and why. You can disable non-essential cookies at any time.

GDPR & International Standards

C3666 adheres to international data protection standards. We follow the highest benchmarks to safeguard user privacy.

Section 01

Introduction & Overview

C3666 (https://c3666.app) is a trusted online betting and gaming platform in Bangladesh. We believe your privacy is a fundamental right — not just a legal obligation. This Privacy Policy clearly explains what information c3666 collects, why it is collected, how it is used, and what steps are taken to keep your data secure.

This policy applies to all c3666 services, websites, mobile apps, and associated platforms. By using c3666's services, you are deemed to have agreed to this Privacy Policy. Please read it carefully.

Our Privacy Policy is regularly reviewed and updated. The date of the latest change is noted at the top of the page. You will be notified via email or through the platform if any significant changes are made.

This Privacy Policy applies to c3666's Terms and Conditionsshould be read alongside. Together, both documents form the foundation of our service.
Section 02

What Information We Collect

C3666 only collects data that is necessary to deliver the best service and maintain platform security. We never collect unnecessary or excessive information.

a) Information collected at registration:

  • Full name and date of birth (for age verification)
  • Email address and mobile number
  • Residential Address & Country
  • Preferred language & currency
  • Username & Encrypted Password

b) For Identity Verification (KYC):

  • Copy of national ID, passport, or driving licence
  • Selfie Photo (for live verification)
  • Proof of address document (utility bill or bank statement)

c) Financial Transaction Information:

  • BKash, Nagad, Rocket, or other payment method number
  • Deposit & withdrawal history
  • Transaction Date, Time & Amount

d) Automatically Collected Information:

  • IP address and device information (OS, browser)
  • Platform activity logs (login times, pages visited)
  • Betting & Gaming History
  • Cookies & Session Data
Important: Large withdrawals may be restricted until identity verification (KYC) is complete. This is part of international financial security regulations.
Section 03

Purpose of Data Use

C3666 uses your data only for specific, legitimate purposes. Your information is never used for unrelated activities without your consent.

Purpose What Data Is Used Legal Basis
Account Management Name, email address, password Contractual Requirement
Age & Identity Verification Date of birth, identity document Legal Obligation
Payment Processing Payment number, transaction data Contractual Requirement
Fraud Prevention IP, device, activity logs Legitimate Interest
Customer Support Contact Information & History Contractual Requirement
Promotional Offers Email, preferences (subject to consent) Your Consent

You can opt out of marketing communications at any time via your account settings or by contacting support.

Section 04

Data Sharing Policy

C3666 never sells, rents, or shares your personal data with third parties for commercial purposes. However, there are limited circumstances where sharing data becomes necessary.

Your information may only be shared in the following circumstances:

  • Payment Providers: Required information is shared with payment partners such as bKash, Nagad, and Rocket to process transactions.
  • KYC Verification Authority: Approved third-party service providers for identity verification.
  • Legal Authorities: In cases of court orders, government investigations, or legal obligations.
  • Fraud Prevention Agencies: Authorized agencies for account security and fraud prevention.
  • Technology Partners: Cloud or security service providers engaged to operate the platform.

C3666 has signed strict Data Protection Agreements (DPA) with all third parties. They may only use data for the specified purposes.

Rest assured: Your data is never sold or transferred to advertisers, data brokers, or other gaming sites.
Section 05

Cookies & Tracking Technologies

C3666 uses cookies and similar tracking technologies on its website. These help improve your browsing experience and maintain platform security.

Types of cookies we use:

  • Essential Cookies: Maintaining login sessions and security tokens — the site cannot function without these.
  • Functional Cookies: Remembering your language preference and theme settings.
  • Analytics Cookies: To understand which pages users visit most, without identifying individuals.
  • Security Cookies: To detect fraud and bot activity.

Non-essential cookies can be disabled from your browser settings, though some features may become limited. Visit our Cookie Settings page or contact support for more details.

c3666 does not use cross-site tracking or third-party advertising tracking cookies.
Section 06

Data Security Measures

C3666 has implemented multiple technical and administrative measures to protect your data. The highest industry security standards are followed.

  • 256-bit TLS/SSL Encryption: All data transmissions are encrypted.
  • End-to-End Encryption: Sensitive data (passwords, payment data) is encrypted on our servers as well.
  • Firewall & Intrusion Detection: Real-time protection against unauthorized access.
  • Regular Security Audits: Regular penetration testing conducted by third-party security experts.
  • Two-Factor Authentication (2FA): The option to add an extra layer of security to your account.
  • Staff Training: All staff receive regular training on data privacy.
  • Data Minimisation: Only the data that is strictly necessary is collected and stored.

In the event of a security breach, c3666 will notify the affected users and relevant regulatory authorities within 72 hours.

Our server infrastructure operates in ISO 27001-certified data centers.
Section 07

Your Rights

As a c3666 user, you have the following rights regarding your personal data. Contact support to exercise any of these rights.

  • Right to Access: You may request to know what information c3666 holds about you. We will respond within 30 days.
  • Right to Rectification: You may request a correction if any of your information is inaccurate.
  • Right to Erasure: Under specific conditions, you may request the deletion of your account and personal data (where no legal retention obligation applies).
  • Right to Restrict Processing: In certain circumstances, you may request that the processing of your data be restricted.
  • Right to Data Portability: You may request a copy of your data in a machine-readable format.
  • Right to Withdraw Consent: You may withdraw consent to marketing communications at any time.
  • Right to Object: You may object to your data being used for specific purposes.
To exercise any of your rights, email us at [email protected]. We will respond within a maximum of 30 business days.
Section 08

Data Retention Period

C3666 retains your data only for as long as necessary. Once the retention period ends, data is securely deleted or anonymized.

Data Type Retention Period
Account Information 5 years after account closure
Financial Transaction Records 7 years (in accordance with financial regulations)
KYC Documents 5 years after verification
Activity Logs 12 Months
Cookie Data At end of session or maximum 1 year
Support Contact 3 years after last contact

Data may be retained for an extended period in cases of legal obligation or ongoing investigation. You will be informed to the extent possible in such cases.

Section 09

Children's Privacy

C3666 strictly refrains from serving users under 18. No data from minors is knowingly collected or stored.

Age verification is mandatory during registration. Any account created using a false age will be immediately suspended and all associated data will be deleted.

If you become aware that a minor is using c3666, please notify our support team immediately.
Section 10

Policy Changes & Updates

C3666 may update this Privacy Policy from time to time. Changes may be prompted by legal updates, new service launches, or security improvements.

If any significant changes are made, you will be notified through one of the following methods:

  • A notification will be sent to your registered email address
  • A notice will be displayed upon logging in to the platform
  • The "Last Updated" date at the top of this page will be changed

Continued use of the service after an update constitutes acceptance of the revised policy. If you object to the new policy, you may request account closure.

Section 11

Contact & Complaints

For any questions, concerns, or complaints regarding this Privacy Policy, please reach out to our Data Protection Team. We are always ready to help.

  • Email: [email protected]
  • Website: https://c3666.app
  • Response Time: Maximum 30 business days

Before contacting us, please review this Privacy Policy and FAQ Page Read it — you'll find answers to many common questions there.

We take every privacy-related request seriously and are committed to resolving it within the stipulated timeframe.
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