Key node #数字资产法案 . The passage of the FIT21 Act in the United States clearly delineates the responsibilities of regulatory agencies, providing a clear path for digital asset regulation and ending the industry's long period of regulatory chaos. We see its positive significance for the construction of market order. The UK’s legislation that includes cryptocurrencies and other digital assets within the scope of personal property provides strong legal protection for investors, greatly enhancing market confidence. These laws each have their highlights but also face challenges. For example, some state-level legislation lacks uniform standards, which can lead to regulatory arbitrage opportunities, allowing some wrongdoers to take advantage. Additionally, the inherent characteristics of digital assets lead to severe price volatility and technical security issues.