Don’t look now, but the selfie has officially grown up.

What started as a fun social media phenomenon is now being used for a much more important reason in the financial industry: protecting customers’ mobile banking accounts.

Last week, for example, MasterCard made headlines when the company announced plans to implement a facial recognition system for its mobile customers in the U.S., Canada and Europe. MasterCard will begin rolling out the new security solution over the next few months. Customers will also have the option to use fingerprint scanners, too.

It’s an exciting announcement from MasterCard, as it indicates that the company is moving in the opposite direction from its long-used password-based authentication system. The decision coincides with a recent benchmark study from MasterCard which shows that 90 percent of participants think biometric payment authentication is something they would use on a daily basis. What’s more, 88 percent of participants claimed that biometric authentication is extremely easy to use on its own. And 86 percent of respondents claim that it’s easier than passwords.

We here at VoiceVault applaud MasterCard’s willingness to embrace biometrics, as it will offer both greater security and convenience to MasterCard customers. What we were most excited to learn, however, is that MasterCard is reportedly weighing the option of another, more secure biometric technology: Voice recognition software.

We strongly encourage MasterCard to offer voice biometric identity verification along with other types of biometric solutions for the following reasons:

Stronger security: First and foremost, it’s much more difficult to spoof a voiceprint than a fingerprint or photograph. Voice recognition software analyzes multiple components of a person’s speech, including speed, tone, pitch and more. It’s just about impossible—even for an experienced hacker—to successfully mirror someone else’s voice.

Greater convenience: Have you ever tried to take a selfie while walking? It’s not easy. So for mobile customers who are constantly on-the-go, the idea of having to take a picture while walking to unlock a phone may not be all that appealing. Plus, MasterCard will require customers to blink during the scanning process to ensure that a photograph is not being used. With a voice biometric security solution, however, a customer simply has to recite a short  phrase or series of numbers into the microphone of his or her device.

Easier deployment: That leads us to another point: You don’t need a fancy fingerprint scanner or even a camera to use a voice recognition system. All you need is a microphone. It should be also be noted that voice biometrics can be easily deployed on a massive scale via the cloud.

With these points in mind, we hope MasterCard—and any other company considering a biometric security solution—considers the benefits of voice biometrics.

Want to see just how easy it is to use voice biometrics? Click here to access VoiceVault’s free demo today.

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