Gitcoin is the DAO that did more than any other to turn quadratic funding from an economics paper into a working way to pay for public goods. Where most of the protocol DAOs in this directory govern their own product and treasury, Gitcoin's job is to fund everyone else's — the open-source infrastructure, developer tooling, and community work that the wider ecosystem relies on but no single company has an incentive to pay for. It is the canonical example of a grants DAO, and its funding mechanism is studied and forked far beyond crypto. Gitcoin's own governance runs through the Gitcoin governance forum and the GTC token.

Quadratic funding: matching what the crowd cares about

Gitcoin's signature mechanism is quadratic funding (QF) — the funding cousin of the quadratic voting rule covered in voting mechanisms. A round starts with a matching pool put up by sponsors. The crowd then donates directly to the projects they value, and the pool is split so that the number of distinct contributors matters far more than the size of any single cheque: a grant's match grows with the square of the sum of the square-roots of its donations. In plain terms, a project backed by a thousand people giving $1 each is matched far more generously than one backed by a single whale giving $1,000. QF is a formal answer to the classic under-provision of public goods — it lets a small, diffuse crowd out-signal concentrated capital about what deserves funding. Gitcoin describes the mechanism and its Allo implementation in its Grants Stack & Allo product overview.

The Gitcoin Grants Program

The Gitcoin Grants Program runs in periodic rounds — the "GG" seasons (GG18, GG19 … GG23 and on) — each pairing a matching pool with themed rounds for open-source software, Ethereum infrastructure, climate, and ecosystem-specific tracks. Across dozens of rounds since 2019 the program has routed tens of millions of dollars in matching capital to public-goods builders, making it one of the most consequential funding experiments in the space. Live round details and results are published on gitcoin.co. The program is deliberately opinionated about what it funds: it targets the work that markets systematically under-price, which is exactly where quadratic matching has the most bite.

Allo Protocol and the 2025 refocus

Under the hood, rounds are settled by Allo Protocol — an open-source, modular set of contracts that let any community pool capital and allocate it through a pluggable strategy (quadratic funding, direct grants, or custom rules), with a recipient registry and flexible payout logic. Allo's contracts remain deployed and forkable; the Allo documentation is the reference. Allo originally powered Grants Stack, Gitcoin's hosted Manager / Explorer / Builder apps — but in a candid 2025 decision Gitcoin announced it would sunset Grants Stack and the Grants Lab business unit by end of May 2025, citing a structural gap between the software division's ~$3M annual cost and roughly $1M of revenue. The point of the wind-down was to protect the treasury runway and refocus on the Grants Program itself rather than on maintaining a separate software product — a rare, public example of a DAO cutting a beloved-but-unsustainable line of work to defend its core mission and its treasury.

GTC and DAO governance

GTC is Gitcoin's governance token. It carries no claim on protocol revenue — it exists to distribute stewardship of the DAO and its treasury. In practice much of the day-to-day steering runs through stewards: delegates who hold or are delegated GTC and shepherd budgets, workstreams, and the shape of each Grants season through the governance forum and token votes. That delegation-heavy model is a live example of the liquid-democracy pattern — expertise pools into active stewards — with the familiar caveat that voting power can quietly re-concentrate in a handful of large delegates.

Sybil resistance: the identity problem QF can't dodge

Quadratic funding rewards the number of backers — which makes it a magnet for Sybil attacks: split one donor into a hundred fake identities and the quadratic match multiplies rather than dilutes. Gitcoin's answer is Human Passport (formerly Gitcoin Passport), a stamp-based proof-of-personhood layer that scores how likely an account is to be a unique human before its donation counts toward the match. Later rounds also moved to connection-oriented cluster matching (COCM), which discounts donations from tightly-clustered, collusive-looking groups. The identity layer is not optional bolt-on polish — it is the precondition that makes quadratic funding safe at all, the same lesson quadratic voting runs into on-chain.

How Caper approaches this

Gitcoin and Caper are aimed at the same failure — good work going unfunded — but from opposite ends. Gitcoin pools external sponsor capital and splits it by quadratic match, which forces it to solve identity first: the mechanism only works if it can tell one human from a hundred wallets. Caper skips that problem rather than solving it. A caper raises its own capital directly, through a bonding curve into a shared treasury, and members then allocate that treasury through governance-approved payout and investment proposals. Because voting weight is earned from stake and participation — not from the count of accounts — splitting yourself across wallets buys nothing, so no separate proof-of-personhood layer is needed. And the same earned weight fixes each member's pro-rata claim on the treasury at exit, so the people directing where money goes are the ones whose own exit value moves with the result. It is a narrower tool than a public-goods matching round — one organization funding its own mandate rather than an ecosystem-wide commons — but it removes the Sybil surface that quadratic funding has to spend so much effort defending.

References

• Gitcoin — Fund What Matters — the Grants Program and live rounds.
• Gitcoin governance forum — GTC governance, stewards, and workstream budgets.
• Introducing Grants Stack & Allo Protocol — product overview and the quadratic-funding design.
• Focusing Gitcoin's Future: Sunsetting Grants Stack (EoL May 2025) — the 2025 refocus decision and its financials.
• Allo Protocol documentation — the open-source allocation contracts.