Bitcoin exchange-traded funds (ETFs) have accumulated $56.63 billion in net inflows since their launch on January 10, 2024, marking a significant shift in market dynamics. The approval of spot Bitcoin ETFs by the SEC allowed Bitcoin to integrate into traditional financial systems, providing an institutional distribution channel that has reshaped the buyer base. This development has enabled broader access to Bitcoin, attracting investors through familiar financial structures like brokerages and retirement accounts. The introduction of Bitcoin ETFs has also led to a substantial reallocation of funds, with $62.65 billion flowing into new products like BlackRock's IBIT, while legacy products such as Grayscale's GBTC saw outflows of $25.41 billion. This transition highlights the market's preference for newer, more liquid, and cost-effective investment vehicles. The ETF era has not only increased liquidity but also established a framework for future crypto asset distribution, setting a precedent for how digital assets can be packaged and traded at scale in traditional markets.