In prison, money is also about KPI.

Giving living expenses, the prison management system pops up a reminder: only 37 yuan remaining this month, should he buy toothpaste or sausage, he has to choose one.

The backend algorithm has calculated it early; exceeding the limit once deducts 2 points from the sentence reduction, three months of hard work wasted.

I calculated: if he crosses the red line once, it’s equivalent to losing points for 3000 hours of watching "News Broadcast."

For those outside, overdue payments only hurt credit scores, but for those inside, buying an extra pack of cigarettes could delay their freedom by a whole month.

In the past, we sent cigarettes and lighters, now we send compliance rates.

A new code in the family group is popular: "Don’t let him spend below 95% this month."

I simply split the pocket money into four installments, like feeding a cat, small amounts more frequently.

Freedom is expensive, and the prison has written the price into the code.