Ex-Signature Bank Execs Launch Blockchain-Powered Narrow Bank Backed by Paradigm, Winklevoss

Former executives from Signature Bank have launched a new financial institution that utilizes blockchain technology, creating a narrow bank that operates with a specialized focus on digital assets. This innovative venture is supported by notable investors, including the prominent cryptocurrency investment firm Paradigm and the Winklevoss twins, who are well-known figures in the cryptocurrency space. The collaboration aims to integrate cutting-edge financial technology with traditional banking practices, providing clients with enhanced services in the rapidly evolving digital economy. source: https://www.coindesk.com/business/2025/12/04/ex-signature-bank-execs-launch-blockchain-powered-narrow-bank-backed-by-paradigm-winklevoss