微信支付服务商模式给所有平台配置的apiv3等秘钥信息都一样，这样有问题吗？

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微信支付服务商模式给所有平台配置的apiv3等秘钥信息都一样，这样有问题吗？The WeChat payment service provider model configures the same apiv3 and other key information for all platforms. Is there a problem?

For example, the merchant apiv3 secret key, certificate and other information configured on all platforms are owned by the service provider. Is this safe? My usage scenarios, for example, I am a service provider, and a user needs to connect wechat payment on his own official account. I have opened a sub merchant account here. Do I want to provide him with the apiv3 password and certificate of my service provider's business account, so that he can develop the payment function on his own wechat official account. If there are multiple users in the same scenario as above, do I need to provide them with the apiv3 password of my service provider's account number?

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