Complete transactions in under 2 minutes via bKash, Nagad, Rocket, and more. Every transaction on 3999b is encrypted, secure, and fully transparent.
Deposit & withdraw using all popular payment methods in Bangladesh
Bangladesh's most popular mobile banking service. Deposits via bKash on 3999b are typically completed within 2–3 minutes.
The postal service's digital wallet — widely used in rural areas. Nagad transfers on 3999b are fast and reliable.
Dutch-Bangla Bank's mobile banking service. Deposits via Rocket on 3999b are reflected within 5 minutes.
Deposit directly from your bank account via NPSB or BEFTN. Ideal for large-value transactions.
United Commercial Bank's digital payment platform — fully supported on 3999b and quick to activate.
3999b also supports selected cryptocurrencies including USDT (TRC20) and Bitcoin — a convenient option when needed.
Depositing funds at 3999b is incredibly simple — the entire process can be completed right from your mobile.
Log in to 3999b and click the "Deposit" button from the top menu or your dashboard.
Select bKash, Nagad, Rocket, or bank — whichever you want to use for the transfer.
Enter the desired amount, then send that amount to 3999b's payment number.
Once the payment is complete, enter the transaction ID you received into the form and submit.
Once verified, funds typically appear in your 3999b wallet within 2–5 minutes.
Withdrawing your winnings is just as simple and quick.
Tap the "Withdrawal" or "Withdraw Funds" option from the 3999b dashboard.
Select your preferred withdrawal method and enter a minimum of ৳300 or more.
Enter your bKash, Nagad, or bank account number — third-party numbers are not accepted.
An OTP will be sent to your registered mobile number for security. Use it to confirm your request.
Once 3999b processes your request, funds reach your mobile wallet or bank account within 15–30 minutes.
Users in Rangamati, Bandarban, or Khagrachhari have the same access to 3999b as anywhere else in the country. As long as you have a mobile network connection, bKash or Nagad transactions work just fine.
3999b's payment page loads even on slow internet connections, thanks to its lightweight design. bKash payments via USSD code also work seamlessly.
Transactions on 3999b are available from every district across the country
Deposits and withdrawals available any time of day
Typical processing time for each method — based on real user experience
Daily limits vary based on your KYC level
| Method | Daily Limit (Without KYC) | Daily limit (with KYC) |
|---|---|---|
| BKash | ৳20,000 | ৳2,00,000 |
| Nagad | ৳20,000 | ৳2,00,000 |
| Rocket | ৳15,000 | ৳1,50,000 |
| Bank | ৳50,000 | ৳10,00,000 |
| Crypto | $500 | Unlimited |
Here's how your 3999b transaction log will look inside your account
| Date & time | Type | Method | Description | Amount | Status |
|---|---|---|---|---|---|
| Today, 11:32 | Deposit | bKash | TXN: BK240001 | +৳5,000 | Completed |
| Today, 09:15 | Withdrawal | Nagad | TXN: NG340021 | -৳2,500 | Completed |
| Yesterday, 22:47 | Bonus | System | Weekly cashback | +৳350 | Completed |
| Yesterday, 18:22 | Deposit | Rocket | TXN: RK120098 | +৳3,000 | Completed |
| 2 days ago, 14:05 | Withdrawal | bKash | TXN: BK230887 | -৳10,000 | Completed |
| 3 days ago, 10:30 | Deposit | Bank | NPSB: TF990112 | +৳25,000 | Processing |
* This is a sample view — your actual account will display your own transactions
3999b's user base in the port city of Chattogram continues to grow. Users here are especially active in cricket betting and Live Casino, and feedback on transaction speeds has been consistently positive.
A regular user from Chattogram put it this way — "I send money via bKash and I'm playing within three minutes. Withdrawals have never taken more than half an hour either."
Every transaction on 3999b is protected by multiple layers of security
All data transmissions are secured with bank-grade encryption — no one can intercept them in transit.
An OTP is sent to your registered mobile number on every withdrawal — unauthorized transactions are not possible.
Identity verification keeps every transaction secure and prevents fraud.
Unusual transactions are flagged automatically — you'll receive an alert for any suspicious activity.
User funds are kept entirely separate from the company's operational expenses.
Every transaction is automatically reconciled — any discrepancy triggers immediate action.
Detailed records of all transactions are available from the day your account was created.
Live support in Bangla is always available for any transaction-related issues.
For most Bangladeshi users, payment reliability is the top priority when choosing an online betting platform. Many have experienced platforms where depositing is easy but withdrawals become a hassle. 3999b has taken this seriously from the start, which is why transaction speed and transparency are areas where the platform genuinely stands out.
For bKash and Nagad deposits, 3999b's system automatically verifies the transaction ID — no manual review needed, so near-instant deposits are possible around the clock. Even a deposit at 3 AM typically reflects in your wallet within 5 minutes, which isn't something you can count on with many competitors.
3999b's withdrawal policy is to send payments only to the account holder's own registered number — this might sound strict, but it's there to protect you. Allowing third-party numbers would open the door to fraud. By requiring your KYC-verified number, the policy ensures your money goes to you and no one else.
Bank transfer withdrawals take a bit longer — usually 1 to 3 hours. That said, it's the better option for large amounts like jackpot wins or big bet payouts. If you've exceeded your daily mKash or bKash limit, bank transfer is your only alternative. 3999b charges no extra fees for this method either.
For cryptocurrency transactions, USDT TRC20 is the most popular option at 3999b — thanks to low fees and fast processing. Bitcoin is also supported, though network fees are higher. For users who prefer crypto for privacy or large-value transfers, 3999b is a strong choice since there is no upper limit on crypto withdrawals.
Your full transaction history is stored on 3999b from day one. Every deposit, withdrawal, and bonus credit — with date and time — is always accessible. This comes in especially handy if a question ever arises about a transaction. No need to share screenshots; the support team can pull up the records themselves.
Even on a trip to Cox's Bazar, you never have to miss cricket betting on 3999b. Bet from the beach on your mobile browser, deposit via bKash, and withdraw your winnings to Nagad — all from where you are.
Users in Cox's Bazar are especially active during major cricket matches. Even during peak season hours, 3999b's payment system keeps running at its normal speed.
Questions users frequently ask
Open an account on 3999b and see Bangladesh's fastest payment system for yourself. Get a 150% bonus on your first deposit.