Spot Bitcoin ETFs see $643 million outflow in single dayUS spot Bitcoin exchange-traded funds experienced net outflows of $643 million on October 30, led by BlackRock and Fidelity redemptions, erasing a four-day inflow streak.Oct 31, 2026·3 sourcesCrypto marketsBitcoin ETFsBinance hot-wallet breachBitcoinARK InvestCrypto investmentsCrypto securityEthereumCrypto hacks00