This policy applies to all personal data collected when you use the 55win platform. By registering an account, you confirm that you have read and agreed to this privacy policy. Read more Terms and Conditions to fully understand the commitments of both parties.
Six core principles in how we handle your data
End-to-End Encryption
All personal data and transaction information is encrypted with 256-bit SSL. Sensitive data such as bank account information is stored in encrypted form and cannot be read directly by anyone.
No Data Selling
55win does not sell, rent, or exchange your personal data with third parties for commercial purposes. Your information is used solely to operate and improve the service.
Minimum Necessary Data Collection
We only collect data that is genuinely necessary to provide the service, verify identity, and ensure transaction security. No excess or irrelevant data is collected.
Access And Control Rights
You have the right to view, edit, or request deletion of your personal data at any time. Control over your data belongs to you β we are only its responsible custodian.
Internal Access Control
Only authorized personnel with a genuine need are permitted to access personal data, in accordance with the need-to-know principle. All access is logged and reviewed periodically.
Timely Incident Notification
In the event of a security incident affecting your data, 55win is committed to notifying affected users as soon as possible in accordance with applicable regulations.
1. Information We Collect
When you use the 55win platform, we may collect the following types of information:
1.1 Information you provide directly:
- Full name, date of birth, nationality
- Email address and phone number
- Residential address
- Identity document information (national ID card/citizen ID, passport) for KYC verification
- Bank account or e-wallet information linked for carrying out transactions
1.2 Information collected automatically when you use the service:
- IP address and device information (device type, operating system, browser)
- Login history, access times, and frequency
- Transaction history for deposits, withdrawals, and gaming activity
- Interface interaction data (pages viewed, features used)
- Session information and cookies (see section 5)
2. Purpose of Data Use
The data you provide and that we collect is used for the following specific and reasonable purposes:
| Purpose | Relevant data types | Legal basis |
|---|---|---|
| Create and manage account | Name, email, phone number | Performance of contract |
| Identity Verification (KYC) | National ID card/Old ID card, passport, selfie photo | Legal obligation |
| Processing financial transactions | Bank account and e-wallet information | Performance of contract |
| Fraud prevention | IP address, device, login history | Legitimate interests |
| Improving the user experience | Interaction data, anonymized statistics | Legitimate interests |
| Send service notifications | Email, phone number | User consent |
3. Sharing Data with Third Parties
55win does not sell your personal data. However, to operate the service, we may share information with the following partners to the extent necessary:
- KYC verification service providers: To verify identity as required by operational procedures.
- Payment partners: Payment gateways such as NAPAS, VietQR, MoMo, ZaloPay, and VNPAY receive the transaction information necessary to process deposits and withdrawals.
- Game providers: Minimum account information required to launch games and save game history.
- Technical infrastructure service providers: Hosting, CDN, and cloud security partners supporting platform operations.
- Government authorities: In the event of a valid legal request from a competent authority.
4. Data Security
55win applies multiple layers of security to protect your personal data from unauthorized access, loss, alteration, or disclosure:
- Transmission encryption: All data exchanged between your browser and our servers is encrypted with 256-bit TLS/SSL.
- Storage encryption: Sensitive data is encrypted when stored in the database. Payment account information is never stored in plain text.
- Access control: A strict access control system ensures that only authorized personnel can access each type of data.
- 24/7 Monitoring: Intrusion Detection System (IDS) and anomaly monitoring operate continuously.
- Regular security testing: The platform undergoes regular security vulnerability testing by the internal technical team.
- Two-Factor Authentication (2FA): All users can enable 2FA to strengthen the security of their personal account.
5. Cookies and Tracking Technologies
55win uses cookies and similar technologies to improve the user experience and analyze how the platform is used. There are three main types of cookies in use:
- Essential cookies: Required for the platform to function β maintaining login sessions, remembering cart contents, and basic preferences. Cannot be disabled without affecting functionality.
- Analytics cookies: Collects anonymized data on how users interact with the platform, helping us improve the interface and experience. You may opt out of this type of cookie.
- Preference cookies: Remembers your preferences such as language and display timezone so you do not need to configure them again on each visit.
You can manage cookies through your browser settings. However, disabling essential cookies may affect your ability to log in and use the platform's basic features.
6. Data Retention and Deletion
55win only retains personal data for as long as necessary to fulfill the original purpose or to comply with legal obligations:
- Data for active accounts: Stored for the entire duration the account exists and remains active.
- Data after account closure: Basic information and transaction history may be retained for an additional period to meet legal requirements and fraud prevention purposes.
- KYC verification data: Retained as required by anti-money laundering (AML) and know-your-customer (KYC) regulations applicable where the platform operates.
- System logs: Technical data such as login logs and IP addresses are retained for a limited period for security purposes and incident investigation.
When data is no longer needed, we delete or anonymize it following appropriate security procedures so it cannot be traced back to any individual.
7. Your Rights Over Personal Data
You have the following rights regarding personal data held by 55win. To exercise any right, contact the support team with identity verification information:
Right to access
You have the right to request a copy of the personal data we hold about you, along with information on how that data is being used.
Right to rectification
You have the right to request correction of inaccurate or incomplete information. Some changes may require additional identity verification.
Right to erasure
You may request deletion of your personal data in certain circumstances. Note that data required to comply with legal obligations may not be immediately deletable.
Right to restriction of processing
While a complaint is under review or in certain specific situations, you may request that the processing of your data be temporarily suspended.
Right to data portability
You have the right to receive the personal data you have provided to us in a machine-readable format, for transfer to another service if you wish.
Right to object
You have the right to object to the processing of your data for direct marketing purposes. Once your request is received, we will immediately stop using your data for that purpose.
8. Child Protection
55win takes the protection of underage users seriously. Our service is intended for users aged 18 and above only.
We do not intentionally collect any personal information from individuals under 18. If we discover that an account belongs to an underage user, it will be closed immediately and any balance (if applicable) will be processed according to our refund procedure to the original deposit source.
9. Changes to the Privacy Policy
55win may update this privacy policy from time to time to reflect changes in how we handle data, new legal requirements, or service improvements.
When significant changes occur, we will:
- Update the "Last updated" date at the top of this page
- Email notification to all users with active accounts
- Display a prominent notice in the account interface for at least 7 days before the change takes effect
Continued use of the service after the new policy takes effect is considered acceptance of the updated content. If you do not agree, you have the right to request account closure before the effective date.
10. Contact Us About Privacy
If you have any questions, concerns, or wish to exercise any rights regarding your personal data, please contact us through the following channels:
- Email: [email protected] (for general email contact only, not a clickable link)
- Live chat: Available 24/7 in your account after logging in
- Frequently asked questions: View FAQ page
When contacting us regarding data rights, please provide sufficient information for us to verify your identity (necessary to protect data from requests by unauthorized individuals) and clearly describe your request.
Your Data β We Hold It With Responsibility
Register a 55win account with confidence that your information is taken seriously and well protected. Have more questions? Our support team is available 24/7.
For users aged 18 and above only.