BTC cannot be directly exchanged for USDT within the wallet, but there are two ways to achieve the exchange.

Centralized Exchange Trading

You can deposit BTC into centralized exchanges such as OKX or Binance, and then exchange BTC for USDT within the exchange.

OKX Exchange Website: https://www.okx.com/

Binance Exchange Website: https://www.binance.com/

Tokenlon Cross-Chain Service and Trading(Limited to Certified Institutions)

You can mint BTC for imBTC or WBTC issued on the Ethereum network and trade it for USDT using Tokenlon.

Note: This service is only applicable to certified institutions and is not open to individual investors. For details, refer to the <Changes to Bitcoin Cross-Chain Gateway Services>

The specific steps are as follows:

1. Send an email to [email protected] to apply for KYB certification.

2. After KYB review, you can use BTC to mint WBTC or imBTC.

3. Open the ETH wallet in imToken, click "Wrap" - "Wrap BTC."

4. Select "imBTC" or "WBTC" and click "Mint" - "BTC."

5. After minting is completed, click "Market" at the bottom of the wallet to enter Tokenlon.

6. In Tokenlon, use WBTC or imBTC to exchange for USDT.

Note: When using Tokenlon to exchange for USDT, please ensure that there is sufficient ETH in the wallet to pay for transaction fees.