Different open platforms, bound to the same Mini Program, can the user's data be unified?

I would like to ask the two existing open platform An and B
Mini Program, who is bound to the open platform B, is also tied to the open platform A
is the data of the same user on the two open platforms unified? Is unionid one?

May.11,2021

the situation you described unionid is not one. By letting users bind their mobile numbers in Mini Program, associate their mobile numbers with the userid of their services, and associate their data under the userid of their services, you can Synchronize the data of Mini Program on two different platforms.

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