authentication JUST WRITTEN FOR YOU
/ˌɔːθɛnˈtɪkeɪʃən/ · au·then·ti·ca·tion
noun
- The process or act of establishing that something is genuine or authentic. The museum sent the painting to a specialist for authentication before it could be displayed.
- Proof of the identity of a user logging on to a network or system, often in the form of a password, token, or biometric data. Two‑factor authentication requires both a password and a code sent to the user's phone.
- A hallmark or assay‑mark stamped on a piece of metalwork to certify its purity. The gold ring bore an authentication from the assay office, guaranteeing its 18‑carat content.
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Did you know? The term 'authentication' entered mainstream computer jargon in the early 1970s, when mainframe operators first needed a systematic way to verify users before granting access to shared resources.