In the fast-evolving world of digital assets, knowing how to securely buy and sell Bitcoin is essential for both beginners and experienced investors. This comprehensive guide walks you through every step of trading Bitcoin on OKX, one of the leading cryptocurrency exchanges globally. From setting up your account to converting Bitcoin into fiat currency, we cover it all with clarity and precision.
Whether you're looking to invest during a market upswing or cash out profits, this tutorial ensures you understand the safest and most cost-effective methods using C2C (peer-to-peer) trading, USDT as a stable intermediary, and proper withdrawal procedures.
Setting Your Preferred Currency on OKX
When navigating the OKX platform, you may notice prices displayed in USD by default. However, if you're based in China or prefer viewing values in Chinese Yuan (CNY), changing the display currency is simple.
Click the profile icon in the top-left corner, then select the arrow next to your username. Navigate to Preferences > Pricing Currency, and switch from USD to CNY. Once updated, all asset values—including Bitcoin—will appear in RMB, making it easier to track your investment in local terms.
Selling Bitcoin for CNY via C2C Trading
One of the most common concerns among new traders is: Can I actually sell Bitcoin and receive real money? The answer is yes—and C2C trading on OKX makes it secure and straightforward.
To begin selling:
- Go to the C2C Buy Crypto section.
- Switch to the Sell tab.
- Choose USDT as the cryptocurrency (since BTC-to-CNY direct trades are less common).
- Enter the amount you wish to sell (e.g., 1000 USDT).
- Click Confirm—this process incurs zero fees.
You’ll now see a list of verified merchants. Prioritize those with:
- High completed orders (e.g., 50,000+)
- Strong completion rate (ideally above 99%)
- Long-standing registration (over a year)
👉 Discover how to identify trusted C2C sellers in seconds
For example, a merchant like “Bamin Trading” with over 60,000 completed trades since early 2023 demonstrates reliability. These vendors are vetted by OKX’s escrow system, ensuring that funds are protected throughout the transaction.
How C2C Escrow Protection Works
Here’s what happens behind the scenes:
- When you initiate a sale, your USDT is locked in OKX escrow.
- The buyer sends fiat (RMB) via Alipay, WeChat Pay, or bank transfer.
- You confirm receipt of funds.
- Only after confirmation does OKX release the crypto to the buyer.
This "payment-first, crypto-second" model prevents fraud. Even if a buyer refuses to pay, your coins remain safe in escrow.
Always keep a screenshot of your payment as proof. In rare disputes, OKX support resolves issues quickly using transaction records.
Buying Bitcoin Using CNY: The Smart Way
To maximize value and minimize slippage, experts recommend a two-step approach:
- Buy USDT with CNY
- Exchange USDT for BTC
Why? Because USDT is a stablecoin pegged 1:1 to the US dollar, offering price stability during volatile markets.
Step 1: Purchase USDT via C2C
- Return to the C2C Buy Crypto page.
- Select USDT as the target coin.
- Enter your desired amount (e.g., ¥100).
- Choose your preferred payment method: Alipay, WeChat, or Bank Transfer.
- Filter sellers by high trade volume and long registration history.
Look for merchants like “Safe Little Shop,” active since June 2022 with over 100,000 successful trades. Their high completion rate (99.9%) signals trustworthiness.
Click Buy USDT, enter the amount, and use the "0 Fee Purchase" option. After payment, wait for the seller to release your USDT—usually within minutes.
👉 Learn how to avoid common C2C trading mistakes
Step 2: Convert USDT to Bitcoin
Once you own USDT, proceed to trade for BTC:
- Return to the OKX homepage.
- Tap Trade > BTC/USDT.
- Select Limit Order or Market Order depending on your strategy.
Limit Order (Best for Price Control)
Set a specific price at which you want to buy BTC. For instance, if Bitcoin is trading at $95,982 but you want to buy at $95,000:
- Enter 95,000 in the price field.
- Input your desired quantity.
- Click Buy BTC.
Your order waits in the system until the market reaches your target price.
Market Order (Fast Execution)
For instant purchases:
- Select Market Order.
- Enter the amount of USDT you’d like to spend.
- Slide to max if needed.
- Confirm purchase.
The system executes immediately at the best available rate.
Withdrawing Profits: Turning Bitcoin Back into CNY
After your Bitcoin appreciates in value, you may want to cash out. Here’s the optimal path:
Sell BTC for USDT on the spot market.
- Go to BTC/USDT trading pair.
- Click Sell, enter full balance or partial amount.
- Execute at market or limit price.
Use C2C Sell function:
- Head back to C2C Buy Crypto > Sell tab.
- Select USDT, input amount (e.g., 100 USDT).
- Pick a reputable buyer with fast response time.
- Confirm transaction once RMB arrives in your account.
This two-step withdrawal minimizes fees and avoids direct BTC-to-CNY liquidity issues.
Frequently Asked Questions (FAQ)
Q: Is it safe to sell Bitcoin on OKX’s C2C platform?
Yes. All transactions are protected by OKX escrow, meaning crypto is held securely until payment is confirmed. Merchants cannot access funds without fulfilling their end.
Q: Why should I use USDT instead of buying Bitcoin directly?
Using USDT reduces exposure to volatility during transfers and often offers better liquidity and lower spreads than direct fiat-to-BTC pairs.
Q: Are there any fees when buying or selling via C2C?
No. C2C trades on OKX have zero transaction fees, making it one of the most cost-efficient ways to move between fiat and crypto.
Q: What should I do if a seller doesn’t release my USDT?
Contact OKX customer support immediately with your payment proof and order ID. They mediate disputes and typically resolve them in favor of the paying party when evidence is clear.
Q: Can I use WeChat Pay or Alipay for C2C transactions?
Absolutely. These are widely accepted payment methods on OKX’s C2C marketplace, especially among Chinese users.
Q: How long does a typical C2C trade take?
Most trades complete within 15 minutes, provided both parties act promptly and follow instructions.
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👉 Start trading Bitcoin safely today with advanced security features
By following this guide, you now possess the knowledge to confidently navigate Bitcoin trading on OKX—from initial purchase using RMB to profitable exits. Remember: always prioritize trusted merchants, use escrow protection, and store transaction records. With smart strategies and secure practices, your journey into digital finance becomes not just possible—but profitable.