$BTC more than 24 states, including Utah, Texas, and Florida, are actively exploring the incorporation of Bitcoin into public financial reserves, proposing related drafts that allow investment in cryptocurrencies at a ratio not exceeding 10% of public funds. However, proposals in 5 states, such as Pennsylvania, were rejected due to concerns about risks, highlighting local legislative worries about volatility, energy consumption, and illegal use. The interaction between federal and state legislation is driving the formation of a multi-level cryptocurrency regulatory system in the United States, but it also exposes the complexity of policy coordination.