Why Can a Bank Account Be Frozen? How to Handle and Prevent It

In certain countries or regions, banks may restrict or prohibit the use of bank accounts for digital asset transactions. For example, if transfer remarks include sensitive keywords such as BTC, ETH, or USDT, the bank’s risk control system may flag the transaction as high-risk and impose restrictions on the account.

In addition, the following activities may trigger the bank’s anti-money laundering (AML) monitoring system:

Large transfers conducted late at night;
Frequent transactions with multiple counterparties;
Prolonged periods of low or zero account balance, or unusual fund flow patterns;

In most cases, banks do not fully freeze accounts immediately. Instead, they may impose restrictions such as:

Disabling non-counter transactions;
Setting the account to “debit only” (allowing outgoing transfers while restricting incoming funds);
Suspending certain account functions;

What Should I Do If My Bank Account Is Frozen?

If your bank account is restricted or frozen, you are advised to contact your bank promptly and follow their instructions. In most cases, you will be required to provide supporting information or explanations regarding the source and purpose of funds.

How Can I Prevent My Bank Account from Being Frozen?

To reduce the risk of account restrictions or freezing, please take note of the following:

1. Avoid Sensitive Keywords

When making transfers, do not include crypto-related terms such as USDT or BTC in the payment remarks.

2. Use Multiple Bank Accounts

Avoid relying on a single bank account. It is recommended to maintain multiple accounts and rotate their usage periodically to reduce risk exposure.

3. Diversify Payment Methods

In addition to bank transfers, consider using alternative payment methods such as WeChat Pay or Alipay, where applicable.