Crypto Groups File Brief Backing Illinois Digital Asset Tax Challenge
The brief supports a legal challenge by industry groups. Illinois’ 0.2% tax is scheduled to take effect in July 2027, after a delay from January.

a16z, DeFi Education Fund, Paradigm, Uniswap and other crypto organizations filed a court brief supporting a lawsuit against Illinois, arguing the law is too broad and unfairly targets the industry.
The Blockchain Association and the Crypto Council for Innovation are challenging the law in one lawsuit; The Digital Chamber and the Illinois Blockchain Industry Association brought a separate suit. The Digital Asset Tax Act sets a 0.2% tax on digital asset transactions. Its effective date was moved from January 2027 to July 2027.
The court fight includes two lawsuits. Four crypto groups and Illinois proposed that a Sangamon County court rule on them by March 1, 2027, as outlined in the proposed ruling schedule. The Justice Department has also backed a challenge to the law.