Why big win Worth Your Trust?
SSL Encryption
All your data on big win is secured with internationally recognized 256-bit SSL encryption — completely unreadable to anyone outside.
We Never Sell Your Data
Big win never sells your personal data to third parties. Your information is used solely to improve our services.
Your Control
You can request to view, correct, or delete your data at any time.
Transparent Policy
What data is collected, why it's collected, and how long it's kept — all explained in plain language on this page.
International Standards
Big win operates in accordance with internationally inspired data protection standards (GDPR-informed).
Direct Support
For any data protection queries, our support team is available 24/7 to assist you in Bangla.
Introduction — Why Does This Policy Exist?
When you use the big win platform, you share certain information with us — sometimes knowingly, sometimes automatically through technology. This Privacy Policy is here to give you full transparency: what that information is, why we collect it, and how it stays protected.
People in Bangladesh often have one big concern when using online platforms — "Where is my data going?" big win wants to put that concern to rest. We believe that a truly trustworthy platform must never compromise on data protection.
What Data What Is Collected?
Big win collects two types of data — information you provide directly, and data gathered automatically through technology. Full details are outlined below.
| Data Type | What's Included | How to Access |
|---|---|---|
| Identity Information | Name, date of birth, gender, nationality | Provided at registration |
| Contact Information | Mobile Number, Email Address | During Registration & Communication |
| Identity Verification | National ID Card, Passport | During the KYC Process |
| Financial Information | Mobile banking number, transaction history | During Deposits & Withdrawals |
| Usage Data | Betting History, Login Times, Preferred Sports | Automatically During Platform Use |
| Device Information | IP address, device model, browser, OS | Collected Automatically |
Data Collection Methods
Big win collects information through several channels. You have the right to know about each one.
Direct Registration
Information is collected directly when you create an account, make a deposit, or contact customer support.
Automatic Collection
While you use the platform, device and usage data is collected via cookies, log files, and web beacons.
Third Parties
Limited information may be received from identity verification providers or payment gateways — only where strictly necessary.
Customer Support Communications
Information shared via live chat, email, or phone is also stored to help resolve your issues effectively.
Why & How We Use Your Data Being Used?
Big win uses your data only for specific, legitimate purposes. Each of those purposes is clearly explained below.
- Service Delivery: Your information is essential for account creation, betting features, payment processing, and customer support.
- Identity Verification: Verifying your age and identity at registration is essential for protecting minors and preventing fraud.
- Security & Fraud Prevention: Your data is used to detect suspicious transactions or activity and to keep your account secure.
- Legal Obligations: Certain information may be required to be disclosed to regulatory bodies and law enforcement authorities upon request.
- Service Improvement: By analyzing which features you use most and where issues arise, big win continuously improves your experience.
- Communication & Promotions: To send you important updates, offers, and promotional information — but only with your consent.
- Responsible Gaming: To detect unusual betting patterns and provide the support you need to stay in control.
With Third Parties Data Sharing
Big win does not sell or rent your data. However, limited information may be shared with trusted partners where necessary to operate our services.
Cookies Policy — What & Why?
Cookies are small text files that big win stores in your browser. They make your experience smoother and more personalized.
Essential Cookies
Required for login sessions, security, and core platform functionality. The platform cannot operate without these.
Analytics Cookies
To understand which pages you use most. Only anonymized data is used for this purpose.
Preference Cookies
Used to remember your language, theme, or preferred sports, so your next login feels seamless.
Cookie Controls
You can delete or disable cookies at any time through your browser settings.
Data Protection Technical Measures
Big win employs industry-leading technology to protect your data. These are not just words — these measures are actively in place across our systems.
- 256-bit SSL Encryption: All communication between you and big win's servers is encrypted, so no one can intercept it in transit.
- Firewall & Intrusion Detection: Advanced firewalls and intrusion detection systems are actively maintained on our servers.
- Two-Factor Authentication (2FA): Two-factor authentication for account login keeps your account significantly more secure.
- Regular Security Audits: big win regularly conducts system audits through third-party security experts.
- Data Minimization: We only collect the information we need — nothing more.
- Staff Training: All big win staff are trained in data protection and bound by confidentiality agreements.
About Your Data Your Rights
Big win believes you should have full control over your own data. The rights listed below are yours, and we respect them at all times.
Right to Access
You have the right to know what personal information we hold about you.
Right to Rectification
You can request corrections to any inaccurate or outdated information.
Right to Erasure
Where no legal obligation exists, you can request that your data be deleted.
Right to Object
You can object to the use of your data for specific purposes.
Right to Portability
You have the right to obtain a copy of your data and use it elsewhere.
Marketing Opt-Out
You can opt out of promotional messages at any time.
To exercise any of these rights, please reach out to our support team. big win is committed to responding to your request within 30 business days.
How Long Your Data Is How Long Is It Stored?
Big win does not retain your data any longer than necessary. Financial data is typically kept for up to 5 years after account closure, as required by law, while your account remains active and beyond. Once your account is closed, your personal data is securely deleted — though certain information may be retained for a defined period to prevent fraud and meet legal requirements.
Minors Security
Big win does not knowingly collect personal information from anyone under the age of 18. Age verification is mandatory at registration. If we become aware that a minor has created an account without authorization, that account will be immediately closed and all associated data deleted. Parents or guardians who notify us of such cases can expect prompt action.
Privacy Policy Changes
Big win may update this Privacy Policy from time to time. For significant changes, you will be notified in advance via your registered email or SMS. For minor updates, the "Last Updated" date at the top of this page will be revised. We recommend checking this page regularly.
Contact & Complaint Resolution
If you have any questions, concerns, or complaints regarding this Privacy Policy, please contact our Data Protection team. We are always ready to assist you.