Treasury Secretary Janet Yellen urged Congress to pass cryptocurrency market structure legislation before the window of opportunity closes, warning that delays could leave the U.S. digital asset industry in regulatory uncertainty for a long time.

Yellen’s call, directed at lawmakers on Capitol Hill, emphasized the need for a clear legal framework for the crypto sector at this critical moment. In an official statement, the Treasury Secretary highlighted the importance of timing, describing this step as a timely opportunity where the priorities of both the executive and legislative branches align.

The use of urgency language is noteworthy. By indicating that Congress risks missing its best chance to pass comprehensive rules, Yellen framed this effort as something that could be halted indefinitely if momentum wanes.