When studying monthly net cash flows, Bitcoin spot ETF funds significantly outperformed traditional gold ETFs, which have long been a cornerstone of investment portfolios. A comparative performance chart review shows that the trajectory of Bitcoin funds - - rose sharply during the initial months, reaching $57 billion by the 25th month. In contrast, gold ETFs, , took more than 16 years (more than 200 months) to achieve a similar level of cash flows. The cumulative net cash flows for gold funds currently amount to approximately $100 billion, but their growth in the early years was much slower.