"It’s the mystery of money, she said. Numbers that people trust; unlikely from the get-go. But then, if that trust was lost, boom, it was gone. Meanwhile they were all part of a global financial system that had become so complex that even the people running it didn’t understand it.
...
Which means also people’s trust in civilization. Their faith in a system that no one really understands."
-- #KimStanleyRobinson, The Ministry for the Future