$GTCH The xCalibre's employment of biometrics - as through its advanced facial-mapping - is perhaps indicative of the increasing implementation of the technology. Reuters recently reported that Amazon is rolling out its Amazon One biometric system for use in brick-and-mortar stores. Amazon One, according to the report, allows shoppers to "pay with a swipe of their palm," through the linking of a credit card with the user's palm print.

Amazon One is but one such example of this trend, which Rittman explained is gaining traction.

"Many companies, for the past few years, have been taking it further," he said. "We've already seen facial recognition on phones, as well as fingerprints. This is not new, but now companies are taking it further."

The increased demand for contactless solutions and the omnipresence of masks influenced by concerns over the COVID-19 pandemic doubtless make biometrics indispensable. But with the abilities afforded with this continuously more impressive technology, there perhaps, inevitably comes concerns over its potential overreach and potential to threaten privacy.

"With any new types of measures for security, there's always the risk to privacy," Rittman said. "I definitely do think there is a risk, but on the other hand I think that the benefits outweigh the risks."

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