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The great blockchain letdown

For years, the mantra among the technology cognoscenti was that bitcoin was merely an application, while its underlying technology, the blockchain, was the truly revolutionary innovation.

World News

Nvidia is Wall Street's new darling

Nvidia investors expect the chip designer to forecast quarterly revenue above estimates when it reports results on Wednesday. Their only question is, by how much?

The theory that humans can be digitised and live on within the digital confines of a computer-based existence has been the subject of debate. But until recently, no one had taken the idea much beyond research and discussion.