Traders Magazine 0 Shares Cowen, the US broker-dealer, has partnered with PolySign to give clients access to cryptocurrency and digital assets while Copper, a digital asset infrastructure provider, has raised $50m (€41m) in funding. Mathew McDermott, Goldman Sachs Mathew McDermott, global head of digital assets at Goldman Sachs, said in a report by the bank that digital custody is very different from traditional custody but institutions are getting more comfortable as there institutional-grade offerings which have improved security, execution and risk management. “Many of these entit...