What is a bearer access token?

Bearer Tokens are the predominant type of access token used with OAuth 2.0. A Bearer Token is an opaque string, not intended to have any meaning to clients using it . Some servers will issue tokens that are a short string of hexadecimal characters, while others may use structured tokens such as JSON Web Tokens.

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How does JWT Bearer Token work?

In short, JWTs are used as a secure way to authenticate users and share information. Typically, a private key, or secret, is used by the issuer to sign the JWT. The receiver of the JWT will verify the signature to ensure that the token hasn’t been altered after it was signed by the issuer .

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Why Bearer Token is used?

The Bearer Token is created for you by the Authentication server . When a user authenticates your application (client) the authentication server then goes and generates for you a Token. Bearer Tokens are the predominant type of access token used with OAuth 2.0.14 Eyl 2014

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