Among biometric modalities used to authenticate payments in a merchant’s checkout lane, including fingerprints, facial scans and iris scans, palm vein identification has notable advantages. Not only is every person’s pattern of veins unique, but the existing technology available to read veins in the human palm is more accurate than with any of the other methods. Because palm veins are an internal biometric, they can’t be replicated by hackers that zoom in to take photos—a tactic they use to compromise facial recognition and fingerprint biometrics. Ingenico, a POS terminal manufac...