Ключевые слова: abstract, access, application, authentication, biometric, biometrics, buy, card, commerce, communication, connection, credit, data, design, device, ecommerce, element, finger, fingerprint, flat, gadget, icon, id, identification, identity, illustration, mobile, money, object, pay, payment, phone, print, privacy, protection, purchase, scan, security, shopping, smart, smartphone, symbol, technology, thumbprint, touch, touchscreen, transaction, transfer, web,