According to Decrypt, the U.S. Department of Justice, the U.S. Chamber of Commerce, the Securities Industry and Financial Markets Association (SIFMA), and a crypto coalition comprising a16z, Paradigm, and Uniswap have filed legal briefs supporting the lawsuit challenging Illinois's 0.2% digital asset transaction tax. The report outlines these institutions' supportive stances toward the lawsuit and does not indicate that the court has struck down the tax or that the related claims have been adjudicated.