The White House's policy stance on Bitcoin and other cryptocurrencies may be adjusted due to economic, financial stability, and regulatory needs. The U.S. government typically focuses on the role of cryptocurrencies in financial stability, consumer protection, and illegal activities, and may enhance regulation through legislation or executive measures. Specific policy changes should refer to official statements from the White House or relevant departments.

For the latest policy dynamics, it is recommended to visit the White House official website or follow related news releases.

The U.S. government may take the following measures to address the challenges and opportunities of cryptocurrencies:

1. **Strengthening Regulation**: Enhance the regulation of cryptocurrency exchanges and wallet providers through legislation or executive orders to ensure compliance with Anti-Money Laundering (AML) and Know Your Customer (KYC) regulations.

2. **Consumer Protection**: Formulate policies to protect consumers from fraud and market manipulation, ensuring transparency and fairness in the cryptocurrency market.

3. **Tax Policy**: Clarify the tax policy for cryptocurrencies to ensure that investors and traders comply with tax laws.

4. **Financial Stability**: Assess the impact of cryptocurrencies on the stability of the financial system and take measures to prevent systemic risks if necessary.

5. **International Cooperation**: Collaborate with other countries and international organizations to establish a globally unified regulatory framework for cryptocurrencies to prevent cross-border illegal activities.

These measures aim to balance innovation and risk, ensuring the healthy development of the cryptocurrency market. Specific policy details and implementation timelines should refer to official statements.