Big Insurers Are Uniting Behind R3’s Blockchain Tech ByIan AllisonPRO INVESTOR Updated: 29 July 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. The RiskBlock Alliance, whose members include insurance giants Chubb, Marsh and Liberty Mutual, has decided to build its blockchain on R3’s Corda.