A growing dispute in Washington over bank capital requirements could have major implications for institutional bitcoin adoption. Senators are challenging a 1,250% risk weight that they argue makes holding BTC prohibitively expensive for regulated banks. U.S. senators disclosed on June 4 a renewed push to overhaul bank capital rules governing digital asset exposure. At the center of the debate is a Basel framework that assigns certain cryptoasset exposures a 1,250% risk weight, a treatment critics say makes bank participation in bitcoin markets economically impractical.