The Power of Private Blockchains Is Beginning to Show ByMichael J CaseyPRO INVESTOR Updated: 09 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. Is it time to rethink private blockchains? The World Bank’s “blockchain bond” success has reinvigorated that question.