Data Protection

A21 Privacy Policy — How We Collect and Protect Your Information

Your privacy at a21 matters deeply to us. This policy clearly explains what information we collect, why we collect it, and how it is kept secure.

Last updated: 1 January 2026 Language: English Applicable: All Members
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How a21 Protects Your Privacy

A quick overview of the key pillars of our privacy policy

Minimal Data Collection

A21 only collects information that is genuinely necessary to provide its services. No excessive or unnecessary data is ever requested.

Strong Encryption

All your data is protected with 256-bit SSL/TLS encryption. Information stored in our databases is encrypted as well.

No Third-Party Data Sharing

A21 never sells your personal data to third parties. In the limited cases where data is shared with partners, you will be informed.

Your Control

To view, correct, or delete your personal data, simply contact the a21 support team at any time.

Cookie Transparency

A21 clearly discloses the types of cookies it uses. You have the option to decline any non-essential cookies.

GDPR Compliance

A21 adheres to international data protection standards, ensuring a lawful basis for all processing of your information.

1Introduction & Scope of Policy

A21 (www.a21.wine) is deeply committed to the privacy of its users. This Privacy Policy ("Policy") explains what information a21 collects, how it is used, and the measures taken to keep it secure.

By using a21's website, mobile app, or any of our services, you agree to this policy. This policy is reviewed and updated regularly. Members will be notified of any significant changes.

In plain terms: a21 does not treat your data as a product. We collect your information solely to provide you with a better experience — not to sell it.

This policy applies to all registered members, visitors, and users of any a21 service. Whether you access a21 from Bangladesh or anywhere else in the world, this policy applies equally to you.

2What Information We Collect

2.1 Information You Provide Directly

Information you provide directly when registering and using a21:

  • Identity information: Name, mobile number, email address, and date of birth.
  • Contact Information: Current address, district, and division.
  • Identity verification details: National ID number (where applicable).
  • Financial Information: Mobile banking number (bKash/Nagad/Rocket) and transaction history.
  • Account Information: Username, password (encrypted), and security questions.

2.2 Automatically Collected Information

When you use a21, certain information is collected automatically:

Data Type Example Purpose Mandatory
Device Information OS, Browser, Screen Resolution Service Optimization Yes
IP address Network Identifier Security & Fraud Prevention Yes
Usage Patterns Page visits, clicks, session duration Service Improvement Partial
Location City & Country (approximate) Regional Service Delivery Partial
Cookie Data Session token, preferences Login & Personalisation Yes

3How We Use Your Information

A21 uses the information it collects solely for the following purposes:

  • Account Management: Creating, verifying, and keeping your account secure.
  • Service Delivery: Keeping betting, gaming, lottery, and payment services running smoothly.
  • Contact: Important updates, transaction confirmations, and customer support.
  • Security: Preventing fraud, money laundering, and unauthorised access.
  • Legal Obligation: Compliance with applicable laws and regulations.
  • Service Improvement: Analysing usage data to improve your experience.
  • Marketing (with consent): Sending relevant offers and promotions — which you can opt out of at any time.

Our Commitment: a21 does not use your information for any purpose beyond those stated above. Data use is always directly tied to the delivery of our services.

4Data Sharing & Disclosure

A21 never sells or rents your personal information. However, data may be disclosed in a limited number of circumstances:

4.1 Service Provider Partners

Limited data may be shared with trusted third parties for payment processing (bKash, Nagad, Rocket), fraud prevention, and technical services. All such partners are bound by strict confidentiality agreements with a21.

4.2 Legal Requirements

Information may be disclosed to the relevant authorities in response to court orders, regulatory directives, or legal investigations. a21 is legally obligated to comply in such cases.

4.3 Business Restructuring

In the event of a change of ownership or merger involving a21, user data may be transferred to the new entity. Members will be notified in advance.

Please note: Beyond the three purposes above, a21 does not share your data with anyone — including advertisers or data brokers.

5Cookie Policy

A21 uses cookies on its website and app. Cookies are small text files stored on your device that help improve the quality of our services.

Cookie Types & Purposes Cookies Used by a21

You can decline or delete cookies through your browser settings. Please note, however, that disabling essential cookies may cause some a21 features to not function properly.

6Data Retention Period

A21 retains your information only for as long as necessary. Retention periods vary by data type:

Account Information5 years after account closure
Transaction Records7 years
Session logs90 days
Marketing DataUntil consent is withdrawn

Data may be retained beyond the standard period due to legal obligations or ongoing investigations. Once the retention period ends, data is securely deleted or anonymised.

7Your Privacy Rights

As an a21 member, you have certain important rights over your own data:

Right to Access
You may request to know what information a21 holds about you at any time.
Right to Rectification
You may request corrections to any inaccurate or outdated information.
Right to Erasure
You may request deletion of your data, unless we are required to retain it by law.
Right to Object to Processing
You may object to the use of your data for marketing or analytical purposes.
Right to Data Portability
You may request a copy of your data in a commonly used format.
Right to Restrict Processing
Under certain circumstances, you may request that the processing of your data be temporarily suspended.

To exercise any of the rights listed above support@a21.wineSend us an email. a21 typically responds within 30 business days.

8Privacy of Children & Minors

A21's services are intended solely for individuals aged 18 and above. a21 does not knowingly collect data from anyone under the age of 18.

If a parent or legal guardian discovers that their child has created an account on a21, please contact us immediately. We will promptly close the account and delete all associated data.

A note for parents: Keep parental control software active on shared family devices. Always make sure you are properly logged out of your a21 account.

9Security Measures

A21 employs industry-leading security measures to protect your information:

  • SSL/TLS Encryption: All data transmissions are secured with 256-bit encryption.
  • Database Encryption: Stored sensitive data remains encrypted at all times.
  • Password hashing: Passwords are never stored in plain text — bcrypt hashing is used at all times.
  • Two-factor authentication: You can enable 2FA for an extra layer of account security.
  • Real-Time Monitoring: Suspicious activity is monitored 24/7.
  • Regular Audits: Independent security experts regularly audit and test a21's systems.
  • Data Backup: Regular data backups are stored securely on protected servers.

Please note, however, that no system on the internet is 100% secure. While a21 takes every possible precaution, your own vigilance is equally important when it comes to online safety.

10Contact & Complaints

For any questions, concerns, or requests to exercise your rights regarding this Privacy Policy, please contact a21:

Email
support@a21.wine
Live Chat
Available 24/7 in Bengali
Response Time
Within 72 Hours
Language
Contact Us in Bengali

A21 takes all privacy-related complaints seriously. We will do our utmost to address any concerns you may have.

Frequently Asked Questions

Absolutely not. a21 never collects your mobile banking PIN, password, or personal banking credentials. Payments are processed through a payment gateway that a21 has no access to. Your financial information is completely secure.

a21 does not share your information with third-party advertisers. However, a21 may use your preferences and activity history to send you relevant offers — provided you have given your consent. You can unsubscribe from these marketing emails at any time.

After account closure, certain data may be retained for a specified period due to legal obligations (e.g., financial records for 7 years). Once that period expires, the data is permanently deleted. Marketing and personalisation data is erased immediately upon account closure.

No. a21 never shares your mobile number with third parties — it is neither sold nor disclosed. Your number is used solely for payment processing and OTP delivery, entirely through secure, encrypted channels.
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Enjoy a21 in a Safe Environment

Your data is safe, your payments are secure, and your experience is reliable at a21. Join today.

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