According to @HenriArslanian, BlackRock’s Bitcoin ETFs have become the firm’s top revenue driver, signaling sustained fee-driven inflows into IBIT and related spot BTC products; traders should track daily creations and redemptions as a proxy for spot demand and potential price momentum, source: @HenriArslanian newsletter, Dec 2025. He reports that the European Central Bank warned stablecoins could threaten EU banks, elevating regulatory risk for EUR on-ramps and potentially tightening liquidity on EUR crypto pairs; monitor ECB statements and MiCA enforcement milestones for volatility catalysts, source: @HenriArslanian newsletter, Dec 2025. He also highlights that S&P Global downgraded Tether, which may widen USDT spreads and prompt rotation toward other stablecoins during stress; watch USDT depeg indicators, offshore funding rates, and perpetuals basis for dislocations, source: @HenriArslanian newsletter, Dec 2025.