Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 97. Chapters: Authentication, Seal, Signature, Shibboleth, Caller ID, Biometrics, Identity document, List of shibboleths, Biometric passport, Automatic number plate recognition, Two-factor authentication, DNA barcoding, Counterfeit consumer goods, Digital watermarking, MyKad, Fingerprint recognition, Security printing, Trusted timestamping, Security hologram, Login, Code wheel, Municipal identification card, Sealing wax, Security question, FADO, Public Register of Travel and Identity Documents Online, Multi-factor authentication, Risk-based authentication, Location-based authentication, Mutual authentication, Manu propria, Time-based authentication, Ka, Dialed Number Identification Service, Ticket punch, Guksae, Countersign, Expertization, Protocol for Carrying Authentication for Network Access, Molecular marker.