The document discusses palm vein biometric authentication technology. It provides an overview of biometric technologies including fingerprint, face, iris, and palm vein scans. Palm vein technology uses infrared light to scan the vein patterns in the palm, which are unique to each individual, for identity verification purposes. The technology provides highly accurate authentication with false acceptance and rejection rates of 0.00008% and 0.01%. It has applications in banking, computers, ID cards, hospitals, and industries due to its accuracy, speed, and difficulty to forge.