Imagine one day strapping on a wristband in the morning and then opening your smartphone and laptop without passwords, getting into your car without a key and even boarding a plane without your ID or a boarding pass.

That’s the future imagined by Andrew D’Souza, president of Bionym Inc., a Toronto-based company working on what he says will be the world’s first wearable authentication device.

D’Souza talked about the Nymi, which verifies a person’s identity using their unique heart beat, at MIT Technology Review’s EmTech conference in Cambridge this week.

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