Golden Finance reported that in the past five trading days, the net inflow of spot Bitcoin exchange-traded funds exceeded US$2.1 billion, of which BlackRock accounted for half of the sales. Samara Cohen, chief investment officer of BlackRock ETF and Index, said that one of the strategies to attract customers to invest in its funds is to introduce the benefits of exchange-traded products (ETPs) to cryptocurrency investors. Now most investors are new cryptocurrency enthusiasts. Data shows that 80% of the current sellers are direct investors, and among these 80% of direct investors, 75% have never held iShares. In addition, a16z found in its recently released report on the state of cryptocurrency that more than 40 million Americans hold cryptocurrencies.