USDT is a stable currency issued by Tether. Its value is linked to the US dollar at a ratio of 1:1. For ordinary investors, as long as they know that it is supported by asset reserves and the price is relatively stable, as a novice, how to buy USDT safely? The following will explain in detail the definition of the stable currency USDT and the practical guide for safe purchase.
If you want to enter the currency circle, the first thing you need to know is definitely not Bitcoin, but USDT. Simply put, it is the “dollar” of the digital world. Whether you want to buy Bitcoin, Ethereum, or any other token, you usually need to convert your fiat currency into USDT first. It is your “ticket” into the crypto world.
1. What is the stable currency USDT (Tether)?
USDT (Tether), issued by Tether, is a stable currency whose value is pegged to the U.S. dollar at a ratio of 1:1.
1. Core Definition
The full name of USDT is Tether, and its Chinese name is Tether. It is a centralized legal currency-backed stablecoin issued by Tether Limited (TEDA Company) in 2014. The core goal is 1 USDT ≈ 1 US dollar, providing a stable price trading medium and value storage tool for the encryption market.
2. Operating mechanism
USDT uses an asset mortgage model to maintain price stability:
3. Mainstream on-chain version (network type)
USDT can be issued on multiple blockchains, and different versions are incompatible with each other. The network must be strictly matched when transferring:
Network type characteristics, handling fees suitable for scenarios
TRC-20 (Tron)
Fast, supports smart contracts
Extremely low (almost free)
Small value transfers, daily transactions
ERC-20 (Ethereum)
Rich ecology and high security
Medium to high (fluctuates with gas fee)
Decentralized Finance (DeFi), NFT trading
BEP-20 (Binance Smart Chain)
Fast speed, low fees
Binance Ecosystem, Decentralized Applications
Omni (Bitcoin)
The earliest version with the highest security
Large transfers and long-term storage
4. The core value and risks of USDT
core value
Main risks
2. How to buy USDT safely? (Nanny-level practical tutorial) 1. Preparation and screening settings before purchasing
We take the OKX exchange as an example to demonstrate how to buy the first USDT safely.
New users who have not yet registered to download the Ouyi APP may wish to refer to the following tutorial:
How to download the Ouyi Apple version APP? Ouyi iOS latest version APP download tutorial
2025 new OKX exchange account registration + KYC identity authentication complete graphic tutorial
How to improve the security of OKX account? Illustration of Ouyi App security settings operation steps
Open the homepage of Ouyi APP (official registration and official download) and click "C2C Buy Coins".
Key settings:
Click the filter (funnel icon) in the upper right corner and turn on "Only display without verification form". This step can save you the tedious merchant secondary verification process. At the same time, enable "novice-friendly orders" to ensure a smoother trading experience.
2. Screen the amount and payment method
In the filter menu, continue to set your trading requirements:
Amount:
Enter the amount you want to purchase (for example, 1,000 RMB).
Payment method: Choose the channel that is convenient for you (such as Alipay, WeChat or bank card).
After clicking Confirm, the system will automatically filter out all merchants that meet your conditions.
3. Core skills – how to choose reliable merchants?
This is the most important step! Don’t just look at price, safety comes first. Please follow the following criteria when selecting a merchant:
Look at the order rate and trading volume: the higher, the better.
Check the registration time (key): Click on the merchant’s homepage to check its registration time. It is recommended to choose an old merchant who has been registered for more than half a year.
Reason: The longer it survives, the safer its source of funds is and the lower the risk of account risk control.
4. Order placing and payment process
After selecting the merchant, click "Buy":
Place an order: Enter the purchase amount and click "Purchase with 0 Fee".
Check the requirements: Enter the order details page, click the "Chat" window first, and read the seller's requirements carefully (usually requiring real-name payment, no notes when transferring, late arrival not accepted, etc.).
transfer:
Click "Get Payment Details" and copy the seller's Alipay/bank card number. Remember: You need to leave the exchange APP at this time and go to Alipay/bank APP to transfer funds.
Confirmation: After the transfer is successful, you must immediately return to the exchange APP and click "I have paid" to notify the seller. The seller will release the coins after verifying the payment and the transaction is completed.
5. Money-saving benefits (cash back on handling fees)
Finally, if you have not registered an exchange account, or your current account does not have a handling fee discount, it is recommended to use the official link of OKX to register and get a 20% cashback. After long-term trading, this handling fee is also a considerable expense. It is recommended that everyone take advantage of the novice benefits.
3. Top 10 pitfall avoidance guides for purchasing USDT safely (must read)
1. Refuse private transactions: only trade in the OTC area of the regular platform, and the platform's custody funds can prevent "payment without delivery".
2. Insist on real-name payment: use your own bank card/Alipay/WeChat transfer. It is prohibited to use third-party accounts to avoid fund freezing.
3. Be wary of abnormal prices: USDT price should be in the range of 6.9-7.3 yuan (fluctuating with the exchange rate). Merchants that deviate too much may be scams.
4. Do not click on external links: only communicate through the platform’s built-in chat system, and reject any external links and QR codes sent by merchants.
5. Keep transaction vouchers: Save transfer screenshots, order details, and chat records for at least 3 months for subsequent verification.
6. Avoid large high-frequency transactions: Newbies are advised to make a single purchase no more than 5,000 yuan to avoid triggering bank risk control.
7. Prevent "Black U": Give priority to the platform's "Quick Zone" or "Certified Merchants". The USDT sources of these merchants are safer.
8. Do not participate in buying on behalf of others: Any activity of "buying USDT on behalf of others and getting commission back" is a scam and may lead to loss of funds.
9. Transfer assets in a timely manner: It is not recommended to store large amounts of USDT in exchanges for a long time. It is safer to withdraw money to a personal wallet.
