Warren probes China-based Bitmain over US security concerns: Report

What: US authorities are investigating China-based Bitmain over US security concerns.
Why: The probe, 'Operation Red Sunset', is linked to potential espionage and grid risks.
Signal: The investigation is reportedly ongoing, with no clear timeline for resolution.
Target: Bitmain, a leading cryptocurrency mining firm, is at the center of the probe.
Risk: The investigation highlights potential risks to US national security and grid stability.