China operates a nationwide blacklist that contains the names and personal information of people who have been ordered by the courts to pay back money, also known as "laolai."
Some local phone operators have assigned special ringtones to warn people that they're calling laolai, and asks them to "please urge the person" to pay back the money.
This is part of China's wider campaign to police citizens' behavior. The country is rolling out a "social credit system," which aims to track, reward, and...
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