ko77 Privacy Policy

We are committed to protecting your personal information and your right to privacy. This document explains what data we collect, why we collect it, and how it is used on ko77.

SSL Encrypted No Third-Party Selling Your Data, Your Rights
Last Updated: January 2026

This Privacy Policy applies to all users of ko77, including players based in Dhaka, Chittagong, Sylhet, Khulna, Rajshahi, and across Bangladesh. By using our platform, you agree to the practices described in this document. We encourage you to read it carefully before registering or making any deposit.

Our Privacy Commitments

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256-bit SSL Encryption

All data transmitted between your device and ko77 servers is protected by industry-standard 256-bit SSL encryption, ensuring your personal and financial details remain secure at all times.

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Data Minimisation Principle

We only collect personal information that is strictly necessary for account management, payment processing, and regulatory compliance. We do not collect data beyond what is reasonably needed to provide our services.

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No Selling of Personal Data

ko77 does not sell, rent, or trade your personal data to third parties for marketing purposes. Your information is used exclusively to operate the platform, process transactions, and improve your experience.

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Access and Correction Rights

You have the right to access, review, and request corrections to any personal information we hold about you. Contact our support team at any time to exercise these rights, and we will respond within a reasonable timeframe.

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Cookie Transparency

We use cookies to improve platform functionality and personalise your experience. Our cookie policy is transparent: we explain what each category of cookie does, and you can manage preferences through your browser settings.

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Dedicated Privacy Support

Our support team is available 24/7 to handle any privacy-related enquiries. Whether you want to delete your account data or simply understand how your information is used, we are here to help in a prompt and respectful manner.


1. Introduction

ko77 ("we", "us", "our") operates the online gaming and sports betting platform accessible at ko77.ws. We are committed to protecting the privacy of all users who access our platform, including players from across Bangladesh. This Privacy Policy sets out in plain English how we handle your personal data, what choices you have, and how you can exercise your rights.

This policy applies whenever you visit ko77.ws, create an account, make a deposit or withdrawal, participate in promotions, contact our customer support, or otherwise engage with our services. By continuing to use ko77, you acknowledge that you have read and understood this Privacy Policy.

2. Information We Collect

When you register and use ko77, we collect several categories of personal information. These fall into information you provide directly, information collected automatically, and information obtained from third-party sources where applicable:

  • Identity information: full name, date of birth, gender, and national identification details (where required for verification)
  • Contact information: email address, phone number, and residential address in Bangladesh
  • Financial information: payment method details (bKash, Nagad, Rocket, Upay, Visa, Mastercard account references), deposit history, and withdrawal records
  • Gameplay data: betting history, game participation records, session durations, and wagering activity on slots, cricket betting, live casino, and crash games
  • Technical data: IP address, device type and model, operating system, browser version, and referring URLs

We may also collect information when you communicate with our support team via live chat or email. Such communications may be retained for quality assurance and dispute resolution purposes.

Identity Data
Full name, date of birth, government-issued ID number. Collected at registration and KYC verification stages.
Financial Data
Mobile banking references (bKash, Nagad, Rocket), card last-four digits (Visa, Mastercard), transaction timestamps. Never stored in full plaintext.
Technical Data
IP address, device fingerprint, session tokens, browser type. Used for fraud prevention, rate limiting, and account security.

3. How We Use Your Information

The personal information we collect serves specific, legitimate purposes. We do not use your data for any purpose beyond what is described in this section. The primary purposes for which we process your data are:

  • Account creation, verification, and ongoing management, including KYC procedures required to confirm your identity and age (21+ only)
  • Processing deposits and withdrawals via bKash, Nagad, Rocket, Upay, Visa, and Mastercard, and maintaining accurate transaction records
  • Providing access to our gaming portfolio, including slots, live casino, cricket betting (BPL, IPL, T20 World Cup), and crash games
  • Detecting, preventing, and investigating fraudulent activity, money laundering, and any breaches of our Terms and Conditions
  • Sending transactional communications such as deposit confirmations, withdrawal approvals, and account security alerts
  • Improving platform performance, analysing usage patterns, and personalising game recommendations based on your activity on ko77

4. Sharing of Your Information

ko77 does not sell or share your personal information with third parties for their own commercial purposes. We may, however, disclose your data to selected trusted partners in the following strictly limited circumstances:

  • Payment processors and mobile banking partners (bKash, Nagad, Rocket, Upay) who facilitate your financial transactions — these partners are contractually bound to protect your data and may only use it to complete the specific transaction
  • Game software providers such as Pragmatic Play, Evolution Gaming, NetEnt, Microgaming, and Spribe, who require session and player data to operate their certified gaming systems
  • Regulatory or law enforcement authorities when we are legally obligated to disclose information — for example, in response to a court order, anti-money-laundering investigation, or formal request from a competent authority
  • Fraud prevention and identity verification service providers who help ko77 screen new accounts and detect suspicious activity to protect all players on the platform

All third-party data processors engaged by ko77 are required to maintain confidentiality, implement appropriate security measures, and process data only on our documented instructions. We do not permit them to use your information for their own independent purposes.


5. Cookies and Tracking Technologies

ko77 uses cookies and similar tracking technologies to provide a functional, personalised, and secure gaming experience. Cookies are small text files stored on your device by your browser. We categorise our cookies as follows:

  • Strictly necessary cookies: essential for the platform to function — these enable login sessions, protect against cross-site request forgery, and maintain your game state during active play
  • Performance and analytics cookies: help us understand how players navigate ko77, which pages are visited most frequently, and where technical errors occur so we can continuously improve the platform
  • Preference cookies: remember your language selection, display preferences, and notification settings so you do not need to reconfigure these on every visit

You can control or disable non-essential cookies through your browser settings at any time. Please note that disabling strictly necessary cookies may affect your ability to log in or use certain features of ko77. We do not currently respond to "Do Not Track" browser signals, but we respect your right to manage your cookie preferences directly through browser controls.


6. Payment Data and Financial Privacy

When you make a deposit or request a withdrawal on ko77, we process payment data through our certified payment partners. We take the security of your financial information extremely seriously. Full card numbers and mobile banking PINs are never stored on ko77 servers — only tokenised references and partial identifiers are retained for transaction reconciliation.

Deposits and withdrawals in Bangladeshi Taka (৳) are processed in real time where supported by the respective payment channel. Minimum and maximum transaction limits may apply and are disclosed at the point of transaction. All financial data is transmitted over encrypted connections and stored in access-controlled environments.

Deposit Methods
bKash, Nagad, Rocket, Upay, Visa, Mastercard. Transactions are routed through PCI-DSS compliant processors. No full card data is stored on ko77 servers.
Withdrawal Processing
Withdrawals are processed to the same payment method used for deposit where possible. Identity verification (KYC) must be completed before any withdrawal is approved. Processing times vary by payment channel.

7. Data Retention

We retain your personal data for as long as your account remains active, and for a further period as required to meet legal, regulatory, and financial record-keeping obligations. In general, account and transaction records are retained for a minimum of five years following account closure, in line with standard anti-money-laundering requirements applicable to online gaming operators.

If you request account closure, we will deactivate your profile and cease active processing of your data. However, certain records must be retained for compliance purposes as described above. Once the applicable retention period expires, your data will be securely deleted or anonymised so that it can no longer be associated with you personally.


8. Your Rights

As a user of ko77, you have the following rights with respect to your personal data. We are committed to facilitating the exercise of these rights promptly and without undue barriers:

  • Right of access: you may request a copy of the personal data we hold about you at any time
  • Right to rectification: if any information we hold is inaccurate or incomplete, you have the right to request that it be corrected
  • Right to erasure: in certain circumstances, you may request that we delete your personal data — subject to legal and regulatory retention obligations
  • Right to restrict processing: you may request that we limit how we use your data while a dispute or correction request is being resolved
  • Right to object: you may object to our processing of your data for certain purposes, including any direct marketing communications you may have opted into

To exercise any of the above rights, please contact us using the email address provided in the Contact section of this policy. We will acknowledge your request within 3 business days and aim to fulfil it within 30 days. In some cases, we may need to verify your identity before processing the request.


9. Security Measures

ko77 implements a layered approach to data security. At the network level, all communications between your device and our platform are encrypted using 256-bit SSL/TLS protocols. At the application level, we enforce strong password policies, session timeouts, and two-factor authentication options. At the infrastructure level, our servers are hosted in access-controlled environments with regular security auditing, intrusion detection systems, and automated vulnerability scanning.

While we take every reasonable precaution to safeguard your data, no online platform can guarantee absolute security. In the event of a data breach that is likely to affect your rights or interests, we will notify affected users promptly and take all necessary steps to contain and remediate the incident. We encourage you to use a strong, unique password for your ko77 account and to never share your login credentials with anyone.


10. Age Restriction

ko77 is strictly an adults-only platform. Our services are exclusively available to individuals who are 21 years of age or older. We do not knowingly collect personal data from any person under the age of 21. During account registration, all users are required to confirm their date of birth, and identity verification procedures are in place to enforce this restriction. If we become aware that a person under 21 has registered an account or provided personal data, we will immediately suspend that account, delete the associated data, and refuse any pending transactions. Parents and guardians are encouraged to use appropriate parental controls and monitoring software to prevent minors from accessing online gambling platforms.


11. Changes to This Privacy Policy

ko77 reserves the right to update or amend this Privacy Policy at any time. When material changes are made, we will revise the "Last Updated" date at the top of this page and, where appropriate, notify registered users via the email address on file. We encourage you to review this policy periodically to stay informed about how we protect your information.

Your continued use of ko77 following the posting of a revised Privacy Policy constitutes your acceptance of the updated terms. If you do not agree with any changes, you should discontinue use of the platform and contact support to close your account.


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Privacy Enquiries

For any questions, requests, or concerns relating to this Privacy Policy or the handling of your personal data, please reach our support team at:

[email protected]

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