As a global leading cryptocurrency trading platform, OKX provides compliant digital asset trading channels for users in mainland China. This article will provide a complete guide for beginners from four dimensions: network access tips, APP download and installation, real-name authentication, and the entire purchasing process, in line with the latest policy requirements for 2025.
I. Three Core Solutions for Accessing OKX in Mainland China in 2025
- Official Domain Direct Connection (Recommended)
Directly access the official website by manually entering https://ouyijoin.com (do not click on third-party links). According to the 2025 OKX "White Paper on Services in China," this domain has passed the ICP filing and is compatible with the network environments of the three major domestic operators.
2. Backup Mirror Site
II. Full Process of Downloading and Installing on Android/iOS Devices
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Android Users: Bypass System Restrictions for Installation
Visit https://ouyijoin.com, register to download the APK file;
Go to Settings → Application Management → Special Application Permissions → Install Unknown Apps, grant the browser installation permissions; -
iOS Users: Practical Guide for Overseas Apple ID
Step Operation Instructions
After registering an OKX account, use an overseas ID Select "Hong Kong, China" as the region on the Apple official website, fill in the address as the University of Hong Kong, and select "None" for the payment method.
Switch Account Log out of the domestic Apple ID and log in to the newly registered overseas account.
Search and Download Search for "OKX" in the App Store, and if the developer shows as OKX MALTA LTD, it is the official version.
Usage Maintenance After downloading, you can switch back to the domestic Apple ID without affecting the normal operation of the APP.
III. Real-name Authentication and Security Settings
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Account Registration (Completed in 3 Minutes)
Open the APP and click "Register," choose email (recommended Gmail/Outlook) or +86 mobile number;
Enter the verification code, set a 12-character password that includes uppercase and lowercase letters + numbers + symbols;
Select "China" as the residence, read and check the user agreement.
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KYC Certification (New Regulations for 2025)
According to the central bank's anti-money laundering requirements, three levels of certification must be completed:
Basic Certification: Take photos of the front and back of the ID card (four corners must be complete and without glare);
Facial Recognition: Complete actions such as blinking and nodding as prompted;
Address Proof: Upload a utility bill within the last three months (only triggered when withdrawing over 10 BTC).
Certification Advantages:
Daily fiat trading limit increased from 10,000 yuan to 500,000 yuan.
Unlock advanced functions such as contract trading and wealth management subscriptions.
IV. Full Process Analysis of Purchasing Digital Currency with RMB
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Fiat Deposit (C2C Trading)
Enter "Assets" → "Fiat Account," choose Alipay/WeChat/Bank Card for payment;
Enter the amount (suggested first time ≤ 1,000 yuan), the system will automatically match zero-rated merchants;
When transferring, note the order tail number, click "I have paid" and wait for the release of funds (usually completed within 5 minutes).
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Purchase Mainstream Cryptocurrencies
Plan A: Flash Exchange Function (Zero Slippage)
Click "Flash Exchange" on the homepage, select "USDT to BTC/ETH";
Enter the purchase amount, real-time exchange rate settlement, funds arrive instantly.
Plan B: Spot Trading (Depth Priority)
Enter "Trading" → "BTC/USDT" trading pair;
Choose "Market Order" to trade at the best price, or "Limit Order" to set a psychological price;
After the transaction, you can view the position in the "Funds Account."
V. Advanced Strategies for Asset Security Management
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Storage Solution Selection
Short-term holding: Enable OKX's "Multi-signature Cold Wallet" function (Path: Assets → Cold Wallet Custody).
Long-term holding: Use a hardware wallet (recommended Ledger Nano X), with the mnemonic phrase engraved on a titanium plate. -
Risk Control Configuration
Enable "Anti-Phishing Code": All official notifications contain a 6-digit exclusive verification code;
Set "Withdrawal Whitelist": Only allow transfers to pre-bound addresses;
Regularly change passwords: Update login passwords in the "Security Center" every 90 days.
By downloading the OKX APP through https://ouyijoin.com, users in mainland China can smoothly complete the entire process from registration and authentication to purchasing digital currency. It is essential to focus on asset storage security, real-time policy changes, and platform function updates. Take action now to start your digital asset investment journey. Register and download the OKX APP, users in mainland China can smoothly complete the entire process from registration and authentication to purchasing digital currency. It is essential to focus on asset storage security, real-time policy changes, and platform function updates. Take action now to start your digital asset investment journey.