Cubik

Cubik is a decentralized grant funding platform built on Solana, designed to address one of the most persistent challenges in open-source development: how to sustain the public goods that everyone depends on but few pay for. The platform brings the quadratic funding model to the Solana ecosystem natively, giving individual contributors a mechanism to direct meaningful resources toward projects that matter to the community, regardless of how much capital they can deploy themselves.

The platform was founded by Irffan Asiff, who built Cubik out of the Solana hackathon circuit with an explicit long-term goal: to make grants a community-driven initiative rather than the domain of a single foundation or organization. That philosophical anchor shapes the platform's design at every level.

How Quadratic Funding Works

Quadratic funding (QF) is a crowdfunding mechanism that adjusts matching pool allocations based on the breadth of community support rather than the raw dollar amount contributed. Under the QF formula, a project that receives fifty contributions of ten dollars each receives a larger share of the matching pool than one that receives a single five-hundred-dollar donation, even though the total contributed is the same. The square root of each individual contribution is summed, and that sum is squared to determine the matching allocation. The practical effect is that grassroots popularity drives resource distribution, not whale preference.

On Cubik, this means builders can compete for matching pool funds by attracting genuine community interest. Sponsors fund the matching pool, the community votes with their wallets, and the QF formula handles the allocation math on-chain through Cubik's Anchor-based smart contracts. The mechanism inverts the typical dynamics of institutional grant programs, where a small committee decides which projects are worthy. Here, the breadth of community support is the signal.

Grant Rounds and Community Traction

Cubik's inaugural grant round launched with a matching pool of fifty thousand dollars, backed by a coalition of Solana ecosystem sponsors including the Solana Foundation, Squads, SolBlaze, and Symmetry. The response exceeded expectations: more than seven hundred community members contributed over twenty-four thousand dollars in the first seven days alone, with total donations ultimately surpassing one hundred thousand dollars. The round supported over forty projects spanning developer tooling, decentralized autonomous organizations, network infrastructure, and regenerative finance and climate solutions.

The diversity of supported projects reflects a deliberate design choice. Cubik is not scoped to a single vertical. Infrastructure teams, DAO tooling builders, open-source developer libraries, and environmental public goods all compete on the same platform, with priority set by community preference rather than grantmaker discretion. This mirrors the Gitcoin model on Ethereum but eliminates the gas-cost burden that historically made small on-chain contributions economically irrational.

ICE: Liquid Staking for Public Goods

Beyond grant rounds, Cubik has developed a complementary funding mechanism through ICE, a liquid staking token (LST) on Solana. ICE is designed so that staking yield, the rewards generated by delegating SOL to Solana validators, is routed toward public goods funding rather than returned entirely to the individual staker. This creates a passive, continuous funding stream for the ecosystem's public goods layer that does not require active participation in each grant round.

The ICE staking infrastructure sits alongside Cubik's validator tooling work, including scripts and configurations for Jito validator setup and upgrades. This suggests the team has built vertically into the staking layer rather than treating it as an external dependency, connecting the economic infrastructure of the Solana validator set directly to the platform's public goods mission.

Platform Features and Developer Tools

Cubik's GitHub organization hosts over twenty public repositories, revealing the breadth of the platform's infrastructure. Key components include the main platform codebase, a hybrid Rust/Anchor and TypeScript project with on-chain programs handling quadratic funding calculations, grant distributions, and user account management. The Squares repository provides the Cubik design system for UI consistency. The cubik-wallet-kit is a wallet integration library available as an npm package for connecting Solana wallets to the platform.

The organization also maintains repositories for Solana Actions and Blinks, allowing grant interactions to be embedded directly in social media posts, messaging apps, and other contexts outside the main Cubik interface. For a public goods funding platform, this integration matters: it lowers the friction for community members to discover and support projects without navigating to a dedicated portal, expanding the pool of potential contributors beyond users who are already comfortable with DApp interfaces.

Architecture and Solana Fit

Cubik's use of Solana is not incidental. The network's sub-cent transaction fees make microtransactions practical, a prerequisite for quadratic funding where dozens or hundreds of small individual contributions need to settle economically on-chain. Ethereum's gas costs have historically made small contributions irrational for direct on-chain settlement, forcing similar platforms to adopt layer-2 solutions or off-chain accounting. Cubik operates on Solana mainnet without those workarounds, preserving full on-chain settlement for every contribution.

The on-chain programs are built with Anchor, Solana's Rust-based smart contract framework, with a TypeScript SDK exposing the program interface to frontend applications and external integrations. The frontend is structured as a pnpm monorepo with Turbo for build orchestration, reflecting modern web development conventions adapted to the blockchain development context.

Team and Ecosystem Position

Cubik emerged from the Solana hackathon circuit and has received backing from the Solana Foundation as both a grant sponsor and ecosystem partner. The platform occupies a distinct position in the Solana ecosystem: most funding infrastructure on the network is oriented toward venture-style investment or token launches. Cubik specifically targets the public goods layer, which includes the open-source libraries, indexers, RPC infrastructure, DAO tooling, and developer documentation that the ecosystem depends on but that rarely generate direct token revenue.

By combining quadratic funding rounds with the ICE liquid staking mechanism, Cubik is building toward a sustainable, autonomous funding layer for the Solana commons, one where community preference and passive staking yield, rather than foundation discretion alone, determine which public goods receive resources and which teams can keep building.