Data Security

Big Big Win's Privacy Policy

This page explains how much your personal data matters to us. When you join Big Big Win, rest assured — your privacy is always our top priority.

Last Updated: January 2026
Applicable to: All Bangladeshi members
256-bit SSL Encrypted
Active & Operational

Introduction

Big Big Win (https://bigbigwin.app) is a trusted online gaming and Sports Betting platform in Bangladesh. We believe that protecting our members' privacy is one of our most important responsibilities. This Privacy Policy explains in detail what information Big Big Win collects, why we collect it, and how it is used and kept secure.

By using the Big Big Win website, creating an account, or using our services, you are considered to have agreed to this Privacy Policy. Please read it carefully. If you have any questions, feel free to reach out to our support team.

This Privacy Policy applies solely to the Big Big Win platform. Big Big Win is not responsible for any third-party sites or services.

What Information We Collect

Collecting certain information is essential for Big Big Win to deliver its services. We only collect what is needed to give you the best gaming experience and to keep your account secure.

Directly Provided Information

  • Full Name & Date of Birth
  • Mobile number and email address (if provided)
  • National ID number or passport number (required during KYC verification)
  • Payment details — bKash/Nagad/Rocket account number
  • Address (for withdrawal verification)

Automatically Collected Information

  • IP address and location (country level)
  • Browser type & version, operating system
  • Device Identifier (Device ID)
  • Site entry time, session duration, and page visit history
  • Gaming History — Bet Amounts, Win/Loss Records
  • Transaction History & Payment Logs

Big Big Win only collects information that is necessary. We do not ask for unnecessary personal details, and we will never request your password or OTP by phone or message.

Data Received from Third Parties

In some cases, information may be received from payment gateways or identity verification services. Such information is used solely to confirm your identity and process deposits and withdrawals.

Type of Data Purpose of Collection Mandatory?
Mobile Number Account verification and OTP delivery Yes
Name & Date of Birth Age Verification & KYC Yes
National ID Card Withdrawal Approval At the time of withdrawal
Payment Information Deposits & Withdrawals Yes
IP Address Security & Fraud Prevention Automated
Gaming History Responsible Gaming Monitoring Automated

Use of Data

Big Big Win uses collected information only for its stated purposes. No data is used beyond what has been defined.

  • Account Management: For registration, login, and identity verification
  • Payment Processing: To process deposits and withdrawals securely
  • Customer Support: To resolve your issues quickly
  • Security Assurance: To prevent fraud, money laundering, and account hacking
  • Service Improvement: To personalise and improve your experience based on your preferences
  • Bonuses & Promotions: To send relevant offers (only with your consent)
  • Legal Obligations: To comply with government regulations
  • Responsible Gaming: To identify excessive gaming and provide support to members

Big Big Win never sells your data to advertising companies or uses it for unrelated marketing purposes.

Data Sharing & Disclosure

Big Big Win never sells your personal information to third parties. However, there are certain circumstances where sharing information may be necessary:

Service Provider Partners

Limited data may be shared with trusted partners for payment processing, identity verification, and technology services. These partners are contractually bound to keep your data confidential.

Legal Obligations

Big Big Win may be required to provide information to authorities under court orders, government investigations, or AML (Anti-Money Laundering) regulations.

Business Restructuring

In the event of a merger or acquisition, data may be transferred to the new entity. Members will be informed in advance in such cases.

Big Big Win never shares your information with marketing companies, data brokers, or unknown third parties.

Cookie Policy

Big Big Win uses cookies on its website to help improve your browsing experience. Cookies are small data files stored in your browser.

Cookies We Use

  • Essential Cookies: Maintaining login sessions and security tokens — the site cannot function properly without these
  • Functional Cookies: Remembers your preferred language and settings
  • Analytics Cookies: To understand which pages are most visited — fully anonymous
  • Security Cookies: To detect suspicious login attempts

You can disable cookies from your browser settings, though doing so may cause some site features to not work properly.

Security Measures

Big Big Win uses industry-leading technology to protect your data. Our security infrastructure is continuously updated and monitored.

  • All communications are secured with 256-bit TLS/SSL encryption
  • Payment data is stored in compliance with PCI-DSS standards
  • Server firewall and intrusion detection system are active
  • Two-factor authentication (2FA) can be optionally enabled
  • Suspicious activity is monitored in real time
  • Data backups are stored regularly in encrypted form
  • Security team monitors around the clock

Please note that no online transmission is 100% secure. Always keep your password private and avoid clicking on unfamiliar links.

Your Rights

As a Big Big Win member, you have important rights regarding your personal data. We respect these rights and make them as easy as possible to exercise.

  1. Right to Access: You may request details of what information we hold about you.
  2. Right to Rectification: You may request corrections to any inaccurate or outdated information.
  3. Right to Erasure: Upon account closure, you may request deletion of your personal data (subject to legal obligations).
  4. Right to Restrict Processing: You may request that your data be used only for specific purposes.
  5. Right to Data Portability: You can receive your data in a portable format.
  6. Right to Opt Out of Marketing: You can opt out of promotional messages at any time.

To exercise any of the above rights, contact our support team. Big Big Win typically responds within 7 business days.

Protection of Minors

Big Big Win is strictly for adults aged 18 and above. We do not knowingly collect or process information from anyone under the age of 18.

If a minor has registered using a false age and this comes to our attention, the account will be immediately closed and any collected data will be deleted.

If you suspect that a child or teenager in your household can access Big Big Win, please contact our support team immediately.

Data Retention Period

Big Big Win retains your information only for as long as needed. Retention periods are determined by the type of data and applicable legal requirements.

Type of Data Retention Period
Account Information For the duration of the active account + 5 years
Transaction Records Minimum 5 years (in accordance with AML regulations)
KYC Documents 5 years after account closure
Gaming History For the duration of the active account
Support Conversations 2 Years
Cookie Data 30 days to 1 year

Policy Updates

Big Big Win reserves the right to update or amend this Privacy Policy as needed. Members will be notified of any significant changes via SMS to their registered mobile number or through a platform notification.

Continued use of the site after any changes constitutes your acceptance of the updated policy. We recommend checking this page periodically.

Contact

For any questions, concerns, or requests related to our Privacy Policy, please reach out to our support team. We are always ready to help.

  • Live Chat: Log in to the platform to chat with us directly
  • Email: [email protected]
  • Support Hours: 24 hours a day, 7 days a week
Why Big Big Win Trusted

Here's a quick overview of the steps we've taken to protect your privacy.

SSL Encryption

All data transmitted on Big Big Win is protected by 256-bit TLS/SSL encryption. Your information never travels over an unsecured network.

KYC Verification

Each account is verified to ensure only the genuine account holder has access. Fraud has no place here.

No Sale of Data

Big Big Win never sells your personal information. Our revenue comes from gaming services — not your data.

Real-Time Monitoring

Server and account activity is monitored 24 hours a day. Suspicious logins or transactions are blocked immediately.

Two-Layer Security

Enable OTP and 2FA to add an extra layer of security to your account. Even if someone knows your password, they won't be able to log in.

Support in Bengali

Big big win's support team is available around the clock to assist with any privacy-related questions.

General FAQ

Answers to the most frequently asked member questions about our Privacy Policy.

No. big big win never sells your mobile number or shares it with third parties. It is used only to send OTPs and critical account notifications.

Yes. National ID information is stored in encrypted form and is used solely for the KYC verification process. Only authorized Big Big Win staff members are permitted to access it.

You may request deletion of your personal data after closing your account. However, transaction records must be retained for a minimum of 5 years due to AML and legal requirements.

Big Big Win detects your country via IP address, but does not track your precise GPS location. This is used solely to prevent access from restricted regions and to maintain platform security.

Yes. You can opt out of promotional messages at any time through your Account Settings or by contacting our support team. However, critical account-related notifications cannot be turned off.

You can disable cookies through your browser settings, but doing so may affect your login session and certain game features. The site cannot function fully without essential cookies.

Play Safe Big Big Winon

Your privacy is our top priority. Join a secure platform and enjoy a thrilling gaming experience.

18+ | Play Responsibly | Responsible Gaming

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