A quick idea.
Peace is a complex problem. So it will require something from all us. To have a sustainable peace I have a feeling it will cost a lot of money.
Therefor I wonder if this peace capacity could be financed by a tax or a fee.
Since so many people will be involved I wonder if the money could stay in the persons bank account as seperate account. I feel this is the safest solution. So when money is required it can be reserved. Not played with by some hotshot investor.