Futarchy

Vote on values, bet on beliefs

Hanson's statement of the rule is short. Elected representatives define and manage an after-the-fact measurement of national welfare, speculators say which policies they expect to raise it, and the basic rule of government becomes: when a betting market clearly estimates that a proposed policy would increase expected welfare, that proposal becomes law.¹

He is explicit that the design rests on three assumptions, each contestable. That democracies fail largely by failing to aggregate available information. That speculative markets aggregate it more reliably than the institutions currently doing the job. And that it is feasible, after the fact, to tell prosperous societies from miserable ones well enough to settle bets.¹ Reject any one and the argument does not run.

For a protocol treasury the translation is direct. The metric is whatever you can measure afterwards and would accept being judged on, such as fee revenue over two quarters. The market prices it under each branch, and the rule replaces the vote.

Called-off bets are what make it work

The mechanism needs two markets per proposal. Each is conditional: one estimates the metric given adoption, the other given rejection. Whichever branch does not happen has its trades called off, unwound as though never placed.² That is what makes traders price the outcome under each branch instead of betting on whether the proposal passes.

The comparison produces the decision, and the decision produces the resolution. That circularity is deliberate, and it is where the design gets delicate: a market that decides is worth manipulating.

The open problems Hanson names himself

Writing in August 2024, Hanson listed design issues still unresolved. The decision moment has to be unambiguous and the market has to decide rather than advise, or speculators start guessing what a human will do and when. Conditional estimates are only cleanly causal if some fraction of decisions is randomized, which he grants carries a real cost. Judging whether a price gap is signal or noise needs a stated statistical model. And agenda control matters: post too many proposals and speculators cannot attend to them all.³

Add the one that bites hardest at protocol scale. These markets need liquidity to carry information, and a thin market is cheap to move. If a decision is worth more to an interested party than the cost of pushing the price, the mechanism has been bought. Depth has to be subsidized.

What the deployment record actually shows

Hanson's overview page describes futarchy as an as yet untried form of government.¹ In his August 2024 post he wrote that apart from a 2008 trial around that US presidential race, he had not managed to get people to try the idea, and that in the preceding year one DAO had begun using it for key decisions and signed up others.³

That is the originator reporting on his own proposal, and it is the strongest evidence we found. We located no independent, dated record of a sustained binding deployment: the metric, the market parameters, the decisions produced. The theory is well specified. The production evidence is not.

Which gives you a clean test. If a proposal cites futarchy as solved governance, ask for the metric, the resolution source, the decisions the market made and the ones a human overrode. If those cannot be produced, you are being sold a paper by Robin Hanson with a token attached.

Before you build governance on it

The metric is the hard part, and it is not a technical problem. Whatever you pick becomes the thing your organization optimizes, in ways you did not intend, and it has to resolve from a source nobody in the market controls. Token price is the tempting choice and a poor one: it makes every decision a bet on a bet.

Our reading, offered as opinion: futarchy is most defensible for a narrow class of decisions where the objective is agreed and measurable, and least defensible as a general replacement for governance. If you cannot write the metric and its resolution source in two sentences your counsel and largest holder would sign, there is nothing to price.