Authentication
WordNet

noun


(1)   Validating the authenticity of something or someone
(2)   A mark on an article of trade to indicate its origin and authenticity
WiktionaryText

Noun


  1. something which validates or confirms the authenticity of something
  2. proof of the identity of a user logging on to some network
  3. a hallmark or assay-mark on a piece of metalwork
 
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