AUTHENTICATION

authentication, certification

(noun) validating the authenticity of something or someone

authentication, hallmark, assay-mark

(noun) a mark on an article of trade to indicate its origin and authenticity

Source: WordNet® 3.1

Noun

authentication (plural authentications)

something which validates or confirms the authenticity of something

(computing) proof of the identity of a user logging on to some network

a hallmark or assay-mark on a piece of metalwork

Source: Wiktionary

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