Center City-based Privakey, makers of an authentication software that aims to remove the need for passwords, announced it locked down the main patent for its system.

Under patent number 9,813,400, the company secured ownership of the tech that drives its password-free digital identity service.

The Privakey software works by “binding” user identities to their devices, through which people can then “tap-in” to access Privakey-enabled applications and online services, without using passwords. For higher-risk sites, like banking or healthcare, the platforms allow for two-factor authentication.

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