[SignalPlus Completes $50 Million Series B1 Financing, Led by HashKey Capital] Odaily Planet Daily News: SignalPlus announced the completion of a $50 million Series B1 financing round, with a post-investment valuation of $500 million. The round was led by HashKey Capital, with participation from BlockBooster, AppWorks, and others. The project primarily provides institutional-grade digital asset and traditional financial market derivatives trading infrastructure for hedge funds, market makers, proprietary trading teams, and asset management institutions, covering options analysis, real-time risk management, and trading execution tools.