On Tuesday morning, August 4, U.S. ET, Bitcoin opened at $63,463.72, flat with Monday's opening price, and then rose to $63,818.70. Ethereum opened at $1,858.53, down 1.3% from Monday's opening price, and then recovered to $1,874.41. Cryptocurrency investors are closely watching the progress of the Clarity Act in Congress, with doubts remaining as to whether the bill can pass before the summer recess.