The process of determining that an item is genuine.
A procedure that identifies the presence and amount of a substance (such as a marker or taggant) in a particular composition.
A process that uses a pair of related keys – one public and one private – to encrypt and decrypt a message and protect it from unauthorised use.
A character set that contains letters and numbers.
Using a wristwatch as an example, an analogue watch uses the movement of hands over a dial to represent passing time. It’s not the same thing as time itself, but an analogy of time. Same thing with a ruler – that little strip of wood is a representation of your...