According to Wu, Brazilian Congressman Eros Biondini proposed a bill suggesting the establishment of a "Bitcoin Strategic Sovereign Reserve" (RESBit), allocating up to 5% of international reserves to Bitcoin, to diversify national assets, respond to exchange rate fluctuations, and geopolitical risks. The bill stipulates that reserve management must follow transparency principles, using high-security storage methods such as cold wallets, jointly managed by the central bank and the Ministry of Finance, with regular reporting. This proposal also plans to support the development of blockchain technology and provide reserve support for the future digital Brazilian real (Real Digital).