Transferring USDT from Binance to OKX and finding your account short by $10 in fees—chances are you chose the wrong network. Both platforms support multiple networks, but fees range from 0.29 USDT to 25 USDT. Register on Binance at Binance Official Website; APP users go to Binance Official APP; for iPhone installation see iOS Installation Guide. Below is a breakdown of how to choose a network for Binance → OKX transfers.
I. Supported USDT Networks on Both Platforms
The Binance withdrawal interface mainly offers:
- ERC20, TRC20, BEP20, Polygon, Arbitrum, Optimism, Solana, Avalanche C, TON.
The OKX deposit interface mainly offers:
- ERC20, TRC20, BEP20, Polygon, Arbitrum, Optimism, Solana, TON.
The intersection of both lists represents the networks you can use.
II. Cost Comparison of Each Network
Using "withdrawing 1000 USDT" as an example:
| Network | Binance Withdrawal Fee | Arrival Speed | Amount Received |
|---|---|---|---|
| TRC20 | 1 USDT | 1-2 minutes | 999 |
| BEP20 | 0.29 USDT | ~30 seconds | 999.71 |
| ERC20 | 3-25 USDT (floating) | 5 minutes | 975-997 |
| Polygon | 0.8 USDT | 1 minute | 999.2 |
| Arbitrum | 0.4 USDT | ~10 seconds | 999.6 |
| Optimism | 0.5 USDT | ~30 seconds | 999.5 |
| Solana | 1 USDT | ~15 seconds | 999 |
| TON | 0.1 USDT | ~5 seconds | 999.9 |
The cheapest options: TON (0.1), BEP20 (0.29), Arbitrum (0.4).
III. Recommended Choices
Top Choice: TON
- Lowest fee;
- Extremely fast (within 5 seconds);
- Already supported by OKX.
The only limitation: you must ensure both platforms support TON-USDT withdrawals (OKX only supports a few mainnets for certain minor coins).
Second Choice: BEP20
- 0.29 USDT is almost negligible;
- Arrives in ~30 seconds;
- Widest compatibility, making it the classic choice.
Alternative: Arbitrum
- Suitable if you are already familiar with the L2 ecosystem;
- 0.4 USDT;
- Prepares you for subsequent DeFi operations.
Not Recommended: ERC20
Unless:
- You are transferring a very large amount of USDT (> $50,000, where the percentage fee is acceptable);
- The OKX side only accepts ERC20;
- You have compliance/audit requirements that demand mainnet records.
Otherwise, do not use ERC20.
IV. Step-by-Step Instructions
Using BEP20 as an example:
-
Get the deposit address on OKX:
- Assets → Deposit → Select USDT;
- Select BEP20 (BSC) as the network;
- Copy the address (starts with 0x).
-
Initiate withdrawal on Binance:
- Wallet → Withdraw → USDT;
- Paste the OKX deposit address;
- Select BEP20 (BSC) as the network (must match the one selected on OKX);
- Enter the amount;
- Two-factor authentication (Email + 2FA + Anti-fraud countdown);
- Submit.
-
Wait for arrival:
- Within 30 seconds, OKX will show "Received, confirming";
- After 12 block confirmations, it changes to "Completed";
- The whole process takes about 1 minute.
V. Critical Security Details
1. Address Whitelist
Binance withdrawals enable the "Withdrawal Whitelist" by default. Withdrawing to a new address for the first time requires:
- Email verification;
- A 24-hour cooling-off period;
- Anti-fraud confirmation.
If you are in a rush, you can add the address to your whitelist 24 hours in advance.
2. Small Amount Testing
For your first cross-platform transfer, send 5-10 USDT to test the network:
- Confirm receipt;
- Confirm the address is correct;
- Then transfer the larger amount.
3. Networks Must Match
If you select BEP20 on Binance, you must select BEP20 on OKX. If you select BEP20 on Binance, but generate an ERC20 address on OKX (even though both start with 0x), the funds will go to the wrong chain, and recovery is extremely troublesome.
4. Anti-Phishing Code
Enable Binance's "Anti-Phishing Code" feature. All emails Binance sends you will include this code; if an email doesn't → it's a phishing attempt.
VI. When NOT to Use Cross-Platform Transfers
If you just want "some assets on both platforms for future use," there's no need to move funds back and forth frequently. Reasons:
- You pay fees every time;
- You trigger risk control cooling-off periods every time;
- Frequent large transfers will draw risk control attention to your account.
Reasonable frequency: 1-2 times a month.
VII. Frequently Asked Questions
Q: What is the "Address Tag / Memo" OKX asks for? A: Networks like TON and EOS require an additional Memo field. It must be filled, otherwise the funds won't arrive. BEP20 and ERC20 do not need it.
Q: What if I chose the wrong network? A: Stop the withdrawal immediately (if it is still under review, you can cancel it). If it has already been sent, submit a ticket + TXID + screenshot and ask customer support for assistance.
Q: Can I transfer internally directly from a Binance account to an OKX account? A: No. There is no direct channel between the two platforms; it must go on-chain.
Q: Will cross-platform transfers trigger risk control? A: A single transaction won't. Frequent + large amount + multi-account coordinated operations might attract risk control attention.