Spot Bitcoin ETFs, launched nine months ago, have already surpassed some major ETFs in total funds received.Growth projections are robust, with expectations to double in size by 2025 and quadruple by 2027.Fidelity Wise Origin Bitcoin leads with strong recent inflows, nearing a total of US$10 billion, while BlackRock’s IBIT dominates at US$21.7 billion.IBIT saw no new inflows and a negative flow the previous day, but still maintained a strong week with significant net inflows.