Nasdaq Inc. is deepening  its bet on crypto, partnering with digital-asset technology firm Talos to connect crypto trading and risk-management tools with the same platforms that banks and brokers use to manage collateral and surveillance across stocks and bonds. Through the partnership, Talos’ clients, which range from hedge funds to retail brokers, will gain access to Nasdaq’s Calypso platform that’s used by traditional financial services firms to manage risk, margin, and collateral requirements, the companies announced on Monday.