Sony Builds Digital Rights Management System on a Blockchain ByYogita KhatriPRO INVESTOR Updated: 14 August 2021 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. Japanese electronics giant Sony has developed a blockchain-based digital rights management system that may see commercial rollout.