The article discusses the significant growth in assets under management (AUM) for Bitcoin and gold ETFs, surpassing $500 billion. Bitcoin ETFs experienced a remarkable increase from $20 billion to $162 billion following their approval in the U.S., while gold ETFs also nearly doubled to $325 billion. The price of Bitcoin rose by 175%, outpacing gold's 66% increase, reflecting heightened investor interest and higher volatility in Bitcoin investments.