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What does "OAuth" mean in programming?
OAuth is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
An open standard for authorization that allows users to grant a third-party application access to their resources on another service without sharing their password. When you click 'Log in with Google', the site is using OAuth. OAuth 2.0 is the current version.
Example
"We implemented OAuth so users can log in with their Google or GitHub account instead of creating a password."
Related terms
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