Bitcoin and other cryptocurrencies see notable gains, boosted by record inflows into Spot Bitcoin ETFs totalling over US$2.1 billion last week.BlackRock’s IBIT stands out, contributing more than half of the inflows.Monday recorded the highest daily inflow for the ETFs, with significant contributions from Fidelity’s FBTC and Bitwise’s BITB.The rapid growth of Bitcoin ETFs outpaces that of gold, achieving milestones in 10 months that took gold ETFs five years.