The regulators approval was met with criticism from within its own ranks.

The US Securities and Exchange Commission (SEC) has approved rule changes that allow national securities exchanges to adopt generic listing standards for exchange-traded products (ETPs) that hold spot commodities, including digital assets. This approval helps to maximise investor choice and foster innovation - Paul S. Atkins, SEC This decision enables exchanges to list and trade commodity-based trust shares that meet the new standards without needing to submit individual rule change proposal