According to the CoinShares report, institutional traders have locked record funds in Bitcoin investment products, and Bitcoin ETFs are essential contributors. The total weekly inflow of bitcoin from institutional investors last week was US$97.5 million, while the entire crypto market was US$150.9 million. Capital inflows still set a record despite the decline in transaction volume in the second half of 2021. In the second half of 2021, there has been an inflow of US$750 million so far, compared with US$960 million in the first half of 2021.