PANews reported on December 28 that the Blockchain Association, a US cryptocurrency lobbying group, tweeted that it had filed a lawsuit against the new "broker" regulations passed by the IRS and the Treasury Department. The IRS and the Treasury Department have exceeded their statutory authority and expanded the definition of "broker" to include providers of DeFi trading front ends, even though they do not execute transactions. This not only infringes on the privacy rights of individuals using decentralized technology, but also pushes the entire booming technology overseas.