The question about token

See a lot of Web site interface parameters have a token of things, want to ask the meaning of this parameter or function is what ah thank you.

Reply content:

See a lot of Web site interface parameters have a token of things, want to ask the meaning of this parameter or function is what ah thank you.

Tokens are used for authorization, such as login judgment, authentication of the request interface, and the legality of the request interface. Generally a lot of tokens will be set to expire time, must be in a valid time, in order to normal use.

Use as a checksum to prevent resource theft

Token can hide some parameters, not easily cracked, API with more, and now a lot of websites are using tokens.

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