Deep Tide TechFlow news, on December 13, according to monitoring data from Trader T, the net inflow of Bitcoin spot ETFs in the United States yesterday was 604.35 million USD, of which BlackRock IBIT had a net inflow of 438 million USD, Bitwise BITB and Fidelity FBTC had net inflows of 61.45 million USD and 30.54 million USD respectively, and Grayscale GBTC had a net outflow of 48.4 million USD.