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Authentication · interview question

Why does a signature in a JWT token matter in this design?

Multiple choiceEasychapter-17-curatedpremiumauthenticationplaintext-passwords
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Answer and explanation

Correct answer

B. To verify the authenticity of the token and ensure it hasn't been tampered with.

Why

The signature in a JWT token is used to verify that the token was generated by a trusted source and hasn’t been tampered with. This is done by using a secret key to sign the token, allowing the recipient to validate its integrity.

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