The US SEC has recently accelerated its innovation in cryptocurrency regulation, guiding industry development with an "inclusive and prudent" approach. By refining token classification rules and piloting "regulatory sandbox" programs, it provides a clear path for compliant projects; strengthening dialogue with blockchain companies and exploring how emerging fields like DeFi can adapt to existing frameworks. It both strictly crack down on fraud and chaos and encourages technological empowerment of traditional finance, striving to find a balance between innovation vitality and investor protection, thereby injecting certainty into the crypto industry.