So writes Ginni Rometty, chairman, president and CEO of IBM, in today’s Wall Street Journal. She says IBM estimate that applying blockchain to global supply chains could generate more than $100 billion in annual efficiencies. “More than 80 leading finance and technology organizations, including IBM, have joined the Linux Foundation Hyperledger, a project aimed at creating an enterprise-grade blockchain framework. More than 600 additional firms have already applied to join the consortium,” she adds.