Britain scraps virus tracing app for Google-Apple system

Britain scrapped plans to launch its own coronavirus contact tracing smartphone app because of technical problems and will now work on building one using technology supplied by Apple and Google, health authorities said Thursday.

Computer Sciences

Making blockchain transactions secure and private

Blockchains have become an important part of internet technology. They are used for cryptocurrencies such as Bitcoin, but also for other security-sensitive tasks, such as managing supply chains for high-tech factories. Although ...