( June 30, 2025, 1:36 PM EDT) -- WASHINGTON, D.C. — A retail industry association on June 27 filed an amicus curiae brief to the U.S. Supreme Court supporting a cryptocurrency exchange’s petition for a writ of certiorari seeking review of a California state court ruling barring enforcement of its arbitration agreement with customers, arguing that the state court undermined federal law by treating claims for public injunctive relief under California state law as inarbitrable....