In 2014, China announced a plan to create a "social credit" system (see link).
Seth McFarlane's Star Trek spoof, The Orville, gave us glimpse of what China's "social credit" system could look like.
In the episode "Majority Rule", everyone rates everyone based on their behavior. If you behave "well", you are rewarded. If you behave "badly", you are penalized (with the ultimate penalty of being brainwashed).
In 2018, China started to implement its "social credit" system (see Business Insider link). Based on unknown criteria, some people are being penalized by being blocked from buying domestic airline tickets or business-class train tickets.
Image from Stocksnap.io