Celo

A smart contract-based faucet for distributing CELO and cCOP testnet tokens on Celo Sepolia. Uses a trustless, on-chain architecture with a multiplier system that rewards community engagement. Features include reCAPTCHA, optional GitHub and Twitter verification, and a 24-hour cooldown. Built with Next.js, TypeScript, and Solidity, deployed via smart contract for transparency and security.

A habit-tracking mini app on Celo that helps users build better routines with verifiable, on-chain progress records

SURGE is a decentralized identity and reputation protocol for the Optimism Superchain that enables users to preserve their on-chain history across multiple wallets and recover their reputation even after wallet compromise. At its core, SURGE provides a multi-wallet identity system where users can link multiple addresses to a single on-chain identity via soulbound tokens. This creates a resilient reputation layer that survives wallet loss, theft, or rotation—solving one of Web3's biggest UX…

Story Relay is a collaborative storytelling mini-app built on the Base blockchain and integrated with Farcaster. It enables users to collectively create an infinite narrative where each participant contributes one sentence to continue the story. The project combines Web3 technology with creative writing to build a permanent, community-driven story that evolves.

Grass.fun is a blockchain-based gaming platform on CELO Mainnet offering provably fair casino-style games (Coinflip, Mines, Rugs/Crash, and Paaji On Top) where players bet and win CELO tokens. The platform includes real-time price conversion, analytics, leaderboards, and instant withdrawals. The vision is to become a gaming launchpad for mini games on CELO, enabling developers to deploy and monetize games. It also includes betting on real-world events, expanding beyond casino games into sports…

NexaPoll is a fully onchain, modular, and extensible voting dApp built on blockchain. Designed to empower communities, DAOs, institutions, and networks, NexaPoll enables transparent, secure, and autonomous decision-making through a robust, censorship-resistant voting protocol. Unlike traditional voting systems that rely on off-chain logic or centralized intermediaries, NexaPoll brings every step of the voting lifecycle onchain from proposal creation and voter authentication to vote casting,…

Orah is a decentralized Proof of Origin protocol that authenticates the story, source, and journey of goods — from soil to shelf. It leverages Self Protocol for zk-based human verification, NoahAI for AI-powered data proof generation, and Celo for transparent, mobile-first traceability. Producers (farmers, artisans, small creators) can prove product authenticity and identity without revealing personal data, while consumers and regulators gain access to verifiable, onchain origin records. Orah…

Grin Mates is a mobile decentralized application (dApp) built to drive global participation in sustainable living by rewarding Eco-friendly actions with digital incentives. Powered by the Celo blockchain, the platform integrates a crypto wallet that allows users to send, receive, and transact using digital assets while earning Green Points a utility token that represents verifiable contributions to environmental sustainability. Users can earn Green Points through sustainable activities such as…

DAVINCI by Vocdoni develops a privacy-preserving voting protocol and identity bridge that enables verified-human, one-person-one-vote elections using government eIDs and biometric passports without exposing personal data. Leveraging zero-knowledge proofs, Merkle-based census registries and on-chain verification hooks, DAVINCI delivers sybil-resistant, anonymous, and auditable voting infrastructure interoperable with EVM/Celo ecosystems, unlocking governance and regulated voting use cases for…

ReFi powered Yield-Bearing Stablecoin implements an audited smart contract framework to mint a transferable stablecoin backed by curated onchain lending pool that automatically accrues and distributes real loan yield to holders, while enabling DeFi composability and liquidity. By unlocking shorter-term liquidity for lenders and providing transparent onchain accounting and impact dashboards, the project aims to scale financing for smallholder farmers and advance financial inclusion and…

Regen Atlas' Actions View maps verifiable regenerative and impact work as spatially anchored, SDG-linked onchain attestations, aggregating proofs of impact and verifiable credentials into an interactive Mapbox interface for improved discoverability and interoperability across Ethereum-based protocols. By unifying proof integration, temporal and SDG filtering, and protocol adapters, the feature creates a geographic registry of verified regenerative actions to enable geographically informed…

Sov Seas builds a milestone-based funding and contributor rewards infrastructure for SDG campaigns, using smart contract logic to enable staged on-chain disbursements contingent on verified project progress. It mints Builder NFTs as verifiable proof of contribution and integrates KarmaGap reputation data to embed validation and trust into campaign flows, increasing transparency and sustainable incentives across the Web3 impact funding ecosystem.