According to @CNBC, Trump has signed an executive order establishing a single national AI regulation framework that limits the power of U.S. states to regulate AI (source: @CNBC). According to @CNBC, the post confirms federal-level standardization but provides no details on enforcement timelines, lead agencies, or sector-specific carve-outs (source: @CNBC). According to @CNBC, the post does not mention cryptocurrency-related provisions or market guidance, so any crypto market impact remains unspecified by the source (source: @CNBC).