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Learn the fundamental concepts of authentication in software development through this 23-minute tutorial that distinguishes between authentication and authorization while exploring both user and API authentication methods. Discover how tokens function as secure authentication mechanisms, with detailed explanations of JSON Web Tokens (JWTs) including their structure, encoding process, and practical implementation. Explore API keys as an alternative authentication method and understand the various ways authentication credentials are transmitted in web applications. Master the core principles that underpin secure user verification and API access control systems essential for modern software engineering.
