When you think of online security, hopefully by now two-factor authentication springs to mind. WIRED certainly pushes the feature every chance we get. And for good reason! It's a solid protection against common web attacks like phishing and credential stuffing. But when Chris Coyne and Max Krohn, who previously cofounded OKCupid, launched their own digital identity and encrypted chat platform in 2014, they decided against using 2FA at all. Which is less radical than it sounds.

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