No need for a password — the transaction of the future could be completed by simply taking a selfie.

Amazon filed a patent application this month, spotted by Re/Code, for a system that would allow users to take a selfie or video of themselves to complete a transaction.

The technology would identify the person completing the transaction is “a living human being” by using facial recognition technology, according to the patent application. They could also be prompted to perform an action, such as smiling, blinking or tilting their head a certain way to add an extra level of security and ensure the system isn’t being duped by someone holding up a photo of a user.

Amazon’s application also says the entry of passwords on many portable devices, such as tablets and phones, simply isn’t user friendly. The retailer also said it could “require the user to turn away from friends or co-workers when entering a password, which can be awkward or embarrassing in many situations.”

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