The largest cryptocurrency temporarily surpasses the $38,000 mark.
Risk assets have suffered as the Fed prepares to raise interest rates.
The leading cryptocurrencies rose on Friday as Amazon.com Inc.’s good results boosted confidence in technology companies, which digital tokens have generally followed in recent months.
Bitcoin increased by up to 2.9 percent to $38,043, while Ether increased by up to 5.6 percent to $2,810. After trading sideways for many days, both tokens soared in the early afternoon of Asia.