Arkenstone Defense has secured $35 million in its inaugural seed funding round, led by J2 Ventures with participation from Susa Ventures, Granite Hill Capital Partners, and Artis Ventures. This capital infusion will be used to help commercial technology companies navigate the complexities of selling to the U.S. government, addressing compliance, security, workforce, and operational challenges. The company aims to accelerate the adoption of innovative commercial solutions within the defense sector.