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What does WeChat merchant key mean?

WeChat merchant key refers to the identity obtained by a merchant on the WeChat payment platform and is used to encrypt, verify and protect the merchant's information. When merchants use WeChat Pay, they need to use this key for signature and verification. The confidentiality and security of merchant keys are crucial to the merchant's business security and legitimacy.

The WeChat merchant key requires the merchant to apply and generate on the WeChat payment platform. The generated key is usually a long string consisting of numbers and letters, which is used to implement data encryption and decryption. Merchants can use keys to sign transaction information to ensure the security and legality of transactions. At the same time, the merchant key can also be used to ensure the security of interface calls.

In order to protect the information security of merchants and users, the WeChat payment platform will regularly change merchant keys. Therefore, merchants need to update their keys in a timely manner and log out the keys that have been used. When using the WeChat payment platform for transactions, merchants need to properly keep their keys to avoid losses to merchants and users. At the same time, merchants need to comply with the transaction rules and security policies of the WeChat payment platform.