Quadratic Funding

Quadratic Funding is a concept tightly linked to digital identity and could be a very good application of Duniter’s web of trust. The concept is to share democratic power despite the unequal distribution of wealth. I’m going to introduce it here because there is no previous sign of it on this forum.

In a standard crowdfunding, projects are selected based on the amount of donation made to it, regardless the number of contributors. Each donation’s power increase linearly with the amount, giving the rich much more power than the poor.

Quadrating funding allow instead to use the concept of identity so that the donation power increases by the square root of the amount, balancing the power of rich compared to the poors. For example, in order to have 10 times more power, a rich would have to give 100 times more money.

From an other point of view, a project’s importance increases quadratically with the number of donnors, which makes this funding method more democratic.

The website https://wtfisqf.com/ allows to experiment with this formula. Example below :

In this screenshot above, a total amount of 1000 units ($, €, Ğ1 or any token you can imagine) is to be shared between three grants (#1, #2 and #3). In a normal crowdfunding, the grant #1 would receive 500 units from a single donnor, which is way more than the 100 units received by grant #3 despite this last one is supported by ten peoples!

On the opposite, in a quadratic crowdfunding, the grant which receives the most tokens is the one choosen by the vast majority of voters, even if they allocated less resources themselves.


Of course, this requires a digital identity to prevent rich people from giving 500 times 1 unit. That’s what’s achieved by Duniter’s web of trust.


One of the questions which comes first is:

Why would the rich accept such a funding mechanism which decrease their power?

I could argue at length on this issue, but the main reasons I can think of are:

  • there is always richer people that they could benefit from (see grant #2 compared to grant #1)
  • the rich could give a bit less but spend money on communication to get consent from a lot of people, this would make their donation more efficient
  • when funding a project, the rich want to see it succeed, which has more chance when it’s getting validation from group intelligence
  • even some rich people can be interested in democracy

Opening: why limit the choice to power 1 (linear funding) and power 2 (quadratic funding)? We could adapt the formula for any number between these two and find a right balance using power like 1.6180339887 or 1.4142135623 for instance (why not).

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Why using money for voting?

Money is a bad token for this application: as it is used for trading, it is very noisy and unequal. Also, putting money in a vote prevents you (and the project you vote for) from using this money during the duration of the vote, and this limits the voting systems available (you cannot vote for multiple candidates without reducing the amount of each vote).

Any voting system could use the WoT. I would be more in favor of a well-design voting system (that we know its properties i.e. what it optimizes) handling common treasuries.

I’m worried about these projects like Gitcoin or other liberal crypto-enthusiasts that mix market and democracy in a dangerous way…

That said, QF could always be used in combination with a non-monetary voting system. (I don’t know exactly how)

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This part is wrong.
Many blockchains (e.g. polkadot) use a lock system that allows to lock the same amount of money for several uses and votes.
Theses locked tokens can’t be transferred to another account during the locks periods, but it is still available to participate in several votes and to do other things (like staking for example).

That being said, I also prefer the « 1 human = 1 vote » rule, I just thought it was important to point out the bad arguments.

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because this is the only “bulletin” you have.

@HugoTrentesaux
I think QV + TRM suits great :wink: And this is a certainly a great way to mix “DU” with “RIC” (a liquid democracy).

But it certainly needs a unique seperate everyday refiled to max wallet for that, and conditions to establish the list of suggested votes. I tryed to imagine this during a GMarché… This point a “double vote loop” possibility for the initialisation and run…

I think this feature needs some exploration…

Can we reuse (fork) that code ?

For now, but we can use or develop tools designed for voting (what money is not), using the WoT. Such tools already exist, and just need to be adapted.

Voting by funding may be fine for some situations, but I would prefer a better consensus system, because it is too biased. For example how funds repartition has been decided in Axiom-Team is interesting (taking in accounts collectively the needs, strategy, etc. instead of voting individually and blindly).

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I disagree.
Anytime you “buy” something you make a vote for keeping this existing thing in your environement.

not true.

In my opinion, this is about “information fluidity”.
The main difficulty is to really collect widely “needs & strategies”, but to reduce information distributed to each user in a matter of sense and wellness.

Not always. I don’t voluntarily vote for supermarkets, banks, insurances, etc. but I’m forced to pay them.

You could argue that they are the only candidates, so the problem does not come from the voting system. But here the money received (the votes) interfere with the ability to receive more votes (that is, the market share and the group effect). As if the candidates to an election had TV time proportional to their polls.

This is an idealistic liberal opinion I don’t agree with.

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You are not really “forced” to use this third party systems.
You’ve been involved in the decisionnary processus that leads there.
The one that made the urban habitat many are living in.

In some places, food is free. Just on a tree or a garden nearby. banks and insurance are far from where you live. And you better not use their services if you don’t want to get a lot of local knowledge and wisdom disapear. I was a witness of this dept money infiltration resulting in a “urban/agro” society reshaping in Dominica…

I am not trying to get close to any kind of politcal PoV

I see and try to use mathematics as shaping factors that can drive human society to “drive better” their planet… My reflexion is about incentive and process to try “some formulas” in real life and see what is happening. I am more kind of conviced that this “squared” function is adding some salt to the indistinguable flow of “coins” creation. Still do no figure out how to include this in a smooth and easy way.

We could make a try

Je viens de bricoler un outil de calcul de financement quadratique

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