According to Wu, the president of the Czech National Bank (CNB) recently stated that instead of increasing the allocation of U.S. stocks from 38% to 50%, it would be better to allocate about 2.5% of reserves to a Bitcoin ETF, as the expected returns of both are similar, but the new volatility of Bitcoin is lower. If 5% of the central bank's reserves had been allocated to Bitcoin over the past 10 years, the annualized return of the portfolio would have increased by about 3.5 percentage points, but the overall volatility would also have increased to about twice. The CNB announced last month that it has established an experimental digital asset portfolio totaling $1 million, which includes Bitcoin, U.S. dollar stablecoins, and a tokenized deposit.