The S&P Global ratings agency has raised concerns about the stability of Tether's reserves, giving the controversial cryptocurrency a score of 4 out of 5 on its assessment scale. This rating, with 5 being the highest risk level, raises questions about the safety of Tether's reserves and the potential risks for consumers. With Tether's popularity and widespread use in the cryptocurrency market, this warning from a consumer protection expert serves as a cautionary reminder for investors to carefully consider the stability of their digital assets.