"Computationally, like in real life, if you don't trust the people that
you're working with, you have to spend a lot more energy to achieve the
same things," he explains. "If I'm living with you in the same house and
we don't trust each other, I have to, every time before I leave my house,
I hide my valuables... It's so much energy that I have to use just to
exist in a room with you, because I don't trust you."
https://www.amazon.com/SPEED-TRUST-Thing-Changes-Everything/...
which is likely to provoke a lot of eye-rolling but points out the consequences of a "trustless society" will be everything being expensive and slow.