Bitcoin’s Proof-of-Work Can Be Made More Efficient, IBM Research Claims ByIan AllisonPRO INVESTOR Updated: 05 October 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. Scientists from IBM Research claim they’ve found a way to reshape blockchain architectures for energy-constrained internet of things devices.