Are public goods incentive compatible?

Problem with small amount of people funding:

Retroactive public goods funding: instead of having public good funding mechanism fund public goods ahead of time, your fund them after they have been shown to have an impact

“entrepreneurial public goods”:

With public goods, it is pretty similar. Funding for the future you will get conformist and middle of the road decisions. You will not get radical cool experiments

Can always combine proactive with retroactive

“project tokens”: a team that is working on a public good that is potentially getting aa retroactive funding could create a token and issue it to members, distributing the retoractive funding to the holders