Legal Document

cvk4 Platform Terms and Conditions

This page gives a concise overview of all the rules on opening an account, playing games, claiming bonuses, and making payments on cvk4.

Last updated: January 2026 | Language: English

Important: These terms and conditions were last updated in January 2026. Continuing to use the platform means you have accepted these terms.
Note: By creating or using an account on the cvk4 platform, you confirm that you have fully read, understood, and agreed to these terms and conditions. You must be at least 21 years old.

1. General Introduction and Applicability

cvk4 is an online gaming and sports betting platform operated for adult users in Bangladesh. These terms and conditions ("Terms") form a legal agreement between cvk4 and its users. By accessing or using the cvk4 domain, mobile site, or any related service, you agree to be bound by all of the following terms.

These terms have been prepared in English for users in Bangladesh. In the event of any ambiguity, the English version shall be considered final.

Key point: These terms may be updated from time to time. Continuing to use the platform after any changes means the updated terms automatically apply. We recommend reviewing this page regularly.

cvk4 reserves the right to amend these terms at any time at its own discretion. Continuing to use the platform after any amendment indicates acceptance of the revised terms.

2. Account Registration and Eligibility

To create an account and use the services on cvk4, you must meet the following eligibility criteria:

2.1 Age Requirement

  • You must be at least 21 years old at the time of registration.
  • cvk4 may request proof of age at any time. Failure to provide the required proof will result in account suspension.
  • Operating an account on behalf of a minor is strictly prohibited.

2.2 Single Account Rule

  • Each person may create only one account.
  • Creating multiple accounts by the same person is prohibited. Violating this rule may result in all accounts being cancelled and all balances being forfeited.
  • Multiple members of the same household may use separate accounts, but logging in from the same device or IP address may trigger a verification process.

2.3 Providing Accurate Information

  • You must provide your real name, correct contact details, and payment information at the time of registration.
  • Providing false or misleading information may result in account cancellation.
  • If your information changes, please notify the cvk4 support team immediately.

3. Account Security and Identity Verification

3.1 Password and Login Security

Keeping your cvk4 account secure is entirely your responsibility. Keep your login details confidential and do not share them with any third party. If you suspect any unauthorised access to your account, inform our support team immediately.

  • You are responsible for all activity carried out through your account.
  • cvk4 is not liable for any loss resulting from unauthorised third-party access, unless you notify us in a timely manner.

3.2 Identity Verification (KYC)

To ensure a safe and transparent gaming environment, cvk4 may initiate a Know Your Customer verification process at any time. In this case, you may be asked to submit the following documents:

  • A scanned copy of your National ID (NID) or passport.
  • Proof of current address (utility bill or bank statement).
  • Proof of ownership of your payment method (details related to your bKash / Nagad / Rocket account number).
Warning: Withdrawal requests may be on hold until KYC verification is complete. Please submit the required information promptly.

4. Deposits and Withdrawals

4.1 Accepted Payment Methods

cvk4 currently supports the following payment methods:

  • bKash — Mobile banking transfer.
  • Nagad — Mobile banking transfer.
  • Rocket — Mobile banking transfer.

4.2 Limits and Processing Times

Minimum deposit: ৳300 (applicable for each payment method)
Minimum withdrawal: ৳500
Withdrawal processing time: 30 minutes to 3 hours
  • Deposits are generally credited to the account instantly.
  • Withdrawal requests generally take 30 minutes to 3 hours to process. This time may increase due to bank or mobile network issues.
  • Withdrawals will only be processed to the same payment method used for the deposit.
  • KYC verification must be completed before a withdrawal request can be submitted.

4.3 Third-Party Payments

Deposits or withdrawals from third-party accounts are not accepted. Both deposits and withdrawals must be made from a payment account registered in your own name. Transactions that violate this rule may be cancelled.

5. Bonuses and Promotions

5.1 Welcome Bonus

New members will receive a 200% bonus on their first deposit, up to a maximum of ৳10,000. For example, depositing ৳5,000 will earn an additional ৳10,000 bonus, giving a total balance of ৳15,000.

Wagering Requirement: To withdraw the welcome bonus, you must wager the bonus amount 15 times. Example: if you receive a ৳10,000 bonus, you can withdraw after placing a total of ৳150,000 in wagers.

5.2 General Bonus Terms

  • Each user will receive the welcome bonus only once. Attempting to claim the bonus through multiple accounts will result in account cancellation.
  • Bonus balance cannot be withdrawn directly; withdrawal is available only after the wagering requirements have been met.
  • Bonus wagers may not count in certain games. Contact the support team for more details.
  • cvk4 reserves the right to change or discontinue bonus offers at any time.
  • Strategic play to exploit bonuses (arbitrage betting or one-sided wagering) is prohibited.

5.3 VIP Program

cvk4's VIP program has three tiers — Bronze, Silver, and Gold. Cashback benefits increase as you move to a higher tier:

  • Bronze: up to 0.3% cashback per week.
  • Silver: up to 0.5% cashback per week.
  • Gold: up to 0.8% cashback per week.

Advancing to a higher VIP tier depends on your gaming activity and level of engagement on the platform. Cashback is credited directly to your account and standard withdrawal terms apply.

6. Gaming Rules

6.1 General Gaming Terms

All games on cvk4 are operated fairly. Game outcomes are determined by a Random Number Generator (RNG) or live dealer technology, both of which are subject to independent verification.

  • If a technical error occurs during a game, cvk4 reserves the right to cancel that round. Any wagers placed in a cancelled round will be returned to the account balance.
  • In the event of any dispute regarding game rules, the English version of cvk4's rules shall be considered final.
  • For sports betting, the relevant betting policy will apply if an event is cancelled or postponed.

6.2 Bet Limits

Minimum and maximum bet limits apply to each game and betting market. These limits are displayed in the game interface. cvk4 reserves the right to adjust bet limits under special circumstances.

6.3 Fair Play Policy

cvk4 is committed to providing a fair and transparent gaming environment for all players. Any form of fraudulent activity is strictly prohibited, and any such activity detected will result in immediate account closure.

7. Prohibited Activities

The following activities are strictly prohibited on the cvk4 platform. Violating these rules may result in account cancellation and forfeiture of all balances:

  • Creating or operating multiple accounts.
  • Registering an account using a false identity or false information.
  • Strategically managing accounts to exploit bonuses (bonus abuse).
  • Using the platform for money laundering or any other illegal financial activity.
  • Using automated software (bots), scripts, or any other technology to play games or place bets.
  • Exploiting technical vulnerabilities or bugs in the platform.
  • Colluding with other players to manipulate outcomes.
  • Using a third-party payment account.
  • Contacting the support team using threatening, harassing, or abusive language.
Warning: cvk4 reserves the right to investigate any suspicious activity at its own discretion and to take the necessary action. During an investigation, the relevant account and funds may be temporarily suspended.

8. Account Suspension and Closure

8.1 Closure by cvk4

cvk4 may suspend or close an account without prior notice in the following circumstances:

  • Any clause of these terms and conditions is violated.
  • False information is provided during identity verification, or the user fails to cooperate.
  • Evidence of suspicious financial activity or fraud is found.
  • Upon instruction from a judicial or regulatory authority.

8.2 Account Closure by the User

You may request to close your account at any time. In this case:

  • Contact the support team via live chat or email.
  • Any pending withdrawal requests will be processed before the account is closed.
  • If the wagering requirements for bonus terms have not been completed, winnings from the bonus may not be withdrawable.

8.3 Self-Exclusion

As part of responsible gaming, you may request to exclude yourself from using the platform for a set period of time. For more information, visit our Responsible Gaming page.

9. Privacy and Data Protection

cvk4 places the highest importance on protecting your personal information. We keep your data secure using SSL encryption technology.

  • Your personal information is used only for providing services and legitimate business purposes.
  • Your information is not sold or illegally shared with third parties.
  • Payment processing information is stored under strict security measures.

To learn more about our data protection policy, please read our Privacy Policy page.

10. Responsible Gaming

cvk4 believes that online gaming is a form of entertainment and should be enjoyed responsibly. We advise all players to follow the guidelines below:

  • Only bet an amount of money that, if lost, will not affect your daily life.
  • Do not consider gaming as a source of income.
  • Set time and money limits for yourself.
  • Give importance to spending time with family and friends and pursuing other hobbies.
  • If you notice any signs of gaming addiction, seek professional help.
Support: If you or someone you know is experiencing problems with gaming, please contact our support team. For more information, visit our Responsible Gaming page.

cvk4 is for users aged 21 and above only. Protecting minors from gaming is one of our highest priorities.

11. Limitation of Liability

To the maximum extent permitted by applicable law, cvk4 accepts no liability for the following:

  • Any loss caused by technical errors, server outages, or internet connectivity issues.
  • Any financial loss caused by the failure of third-party software or services.
  • Any loss resulting from unauthorized access, if you did not notify us in a timely manner.
  • Any indirect or incidental loss arising from gaming activities.

cvk4 makes every effort to ensure uninterrupted service on its platform. However, temporary disruptions may occur due to maintenance or other reasons. In such cases, we will work toward a fair resolution with affected users.

Important: Online gaming carries financial risk. Be aware of all risks before placing bets and play responsibly.

12. Changes to Terms and Conditions

cvk4 reserves the right to amend, change, or update these terms and conditions at any time. For significant changes, we will:

  • Update the "Last Updated" date at the top of this page.
  • For significant changes, users may be notified via email or a notice on the platform.

Continuing to use the platform after changes are published is equivalent to accepting the new terms and conditions. Therefore, it is recommended that you review this page regularly.

12.1 Contact and Complaints

If you have any questions or complaints regarding these terms and conditions, please contact us:

cvk4 is committed to resolving your complaints as quickly as possible.

Summary: By following cvk4's terms and conditions, you will have a safe, fair, and enjoyable gaming experience. We always prioritize the interests of our players and are committed to remaining a trusted and reliable platform.

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