A rush of investment into Bitcoin ETFs in recent days sent the combined asset value of such investment vehicles to a record high of more than $158 billion, according to The Block, an outlet that covers digital assets. Investors placed more than a billion dollars into Bitcoin ETFs on consecutive days last week, The Block found.

The price of bitcoin surpassed $122,000 on Monday after surging beyond $120,000 for the first time over the weekend, the latest milestone for the world’s most valuable cryptocurrency as House Republicans stir regulatory optimism among investors.

Bitcoin smashed another record, rising above $123,000 Monday before giving up some of those gains. What's powering the world's largest cryptocurrency to new highs?