Biometrics is in existence from very early times. Fingerprints were used as a non-counterfeited mark since 500 BC. Babylonian merchants used it to straighten out business transactions. The undertakings were recorded in clay tablets that also contained fingerprints. Footprints were also used to distinguish children. Early Egyptians differentiated between traders by their physical attributes. Inked fingerprints of children were taken for identification purpose by Chinese merchants during the 14th century.
This page contains download links for various documents we've written to support the book. The documents have been gathered into groups according to their type.