In the past five trading days, spot bitcoin exchange traded funds have seen net inflows of more than $2.10 billion, with BlackRock accounting for half of sales. Samara Cohen, chief investment officer of BlackRock ETFs and Indices, said that one of the strategies to attract customers to invest in its fund is to introduce the benefits of exchange-traded products (ETPs) to cryptocurrency investors, who are now mostly new cryptocurrency enthusiasts. Data shows that 80% of sellers are direct investors, and of this 80% of direct investors, 75% have never owned iShare. Additionally, a16z found in its recently released State of Cryptocurrencies report that more than 40 million Americans own cryptocurrencies.