Pair of U.S. Congressmen Advocate for Bitcoin Spot ETF in Letter to SEC Chair Posted byNicholas Pongratz November 4, 2021 Leave a comment on Pair of U.S. Congressmen Advocate for Bitcoin Spot ETF in Letter to SEC Chair In a letter to SEC Chair Gary Gensler, a pair of U.S. Congressmen argued for the regulator to approve a Bitcoin spot ETF.