Facebook says users can now use dedicated hardware or code-generating apps for two-factor authentication, without having to register their phone number (Kate Conger/Gizmodo)

Kate Conger / Gizmodo: Facebook says users can now use dedicated hardware or code-generating apps for two-factor authentication, without having to register their phone number 

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Canaan, the world’s second-largest maker of bitcoin mining hardware, files for an IPO in Hong Kong that sources say could raise ~$1B and list as early as July (Bloomberg)

Bloomberg: Canaan, the world’s second-largest maker of bitcoin mining hardware, files for an IPO in Hong Kong that sources say could raise ~$ 1B and

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