The most invasive efforts have been discarded for technical reasons at the national level. But as the article you link describes, there have been various layers of social control to it depending on the region. 
I recently learned that the Chinese social credit system is mostly a myth. Apparently, they just blacklist people for fraud.
Source: https://en.m.wikipedia.org/wiki/Social_Credit_System
PS: I have never been to China so I don’t know the truth.