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Telkom on Friday said Dirk Reyneke will replace chief financial officer Tsholofelo Molefe, who resigned in December to join MTN Group, also as CFO.

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A controversial plan to fix bitcoin’s network congestion suffered a setback after attackers used a newly discovered bug to crash the software. Bitcoin Unlimited, which had been attracting support from the digital currency’s biggest miners, was

The 94-year-old creator of the lithium-ion battery has invented another breakthrough storage device that’s capturing the attention of industry heavyweights. “John Goodenough, inventor of the lithium battery, has developed the first

You may not know it by looking at bitcoin’s recent price surge, but the infrastructure underpinning the world’s most popular virtual currency is teetering. While speculators continue to push the value of the digital money to record

Bitcoin’s price plummeted after US regulators rejected a proposal by the Winklevoss twins for a publicly traded fund based on the digital currency, dashing hopes that a government-approved investment vehicle would lead to wider