Bitcoin’s Proof-of-Work Can Be Made More Efficient, IBM Research Claims

Proof-of-work (PoW), the consensus mechanism that secures bitcoin and numerous other cryptocurrency blockchains, has given the technology a reputation for hogging energy. Indeed, a commonly advanced argument is that an army of specialized computers all racing to solve some arbitrary math problem can wind up using as much electricity as a small country. However, scientists from […]

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Blockchain for IoT: A Big Idea Meets Hard Design Questions

One of the most ambitious ideas in blockchain is that the technology could enable not just people and businesses to transact with each other seamlessly, but also machines. If this scenario, first articulated a few years ago, comes to pass, devices ranging from refrigerators to automobiles would not only collect and share data as part […]

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Blockchain Must Adapt to Build Trust in the Internet of Things

Mic Bowman is a principal engineer at Intel and a member of CoinDesk’s advisory board. Camille Morhardt is the director of IoT strategy at Intel.  The following article originally appeared in Consensus Magazine, distributed exclusively to attendees of CoinDesk’s Consensus 2018 event. The edge is messy. And the edge, where billions of interacting devices that […]

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Enterprise Blockchain May Finally Be Ready for Its Breakout

It turns out, last year’s mantra “make blockchain real” was little more than wishful thinking. Instead of the increased efficiency, enterprises have encountered impractically slow transaction volumes; instead of a transparent world with ultimate accountability, companies holding sensitive customer data faced regulatory concerns. Still, there’s reason to believe the same rosy-colored forecast just might come […]

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