Cowen Digital Asset Investment Company LLC, a division of U.S.-based investment bank Cowen Inc., and PolySign, Inc. have formed a strategic partnership, to enable Cowen’s institutional clients to secure, access and leverage cryptocurrencies and digital assets in their portfolios. In support of the partnership, Cowen has made a USD25m investment in PolySign, leading the USD53m initial closing of PolySign’s Series B financing. Institutional-grade, regulated custody solutions for a wide array of digital assets will be provided by Standard Custody & Trust Company, a PolySign subsidiary. Standard recently received a trust company charter from New York State Department of Financial Services as a regulated, qualified custodian of cryptocurrencies and other digital assets.