The inflow duration of IBIT, the spot Bitcoin ETF under BlackRock, has reached 71 days, officially entering the top ten in history, breaking the inflow record of US ETFs. BlackRock is worthy of being the world's top asset management company with a very keen business sense. It just came into contact with Bitcoin in the last bull market, and directly embraced Bitcoin in this bull market. It is currently the biggest winner of Bitcoin ETFs.