GoodDollar

AfriCycle is a Celo-based circular economy platform that incentivizes waste collection, ensures transparent recycling, and enables corporations to earn verified sustainability credits. Covering plastic, e-waste, and metal waste, it connects waste collectors, recycling facilities, and corporations through blockchain-based verification and tokenized rewards. By leveraging smart contracts and a decentralized marketplace, AfriCycle promotes financial inclusion, environmental sustainability, and…

TipChain is a next-generation blockchain-based tipping platform that eliminates the complexity barrier preventing mainstream crypto adoption for creator monetization. Built on Base L2 with Reown AppKit integration, it enables anyone to send and receive crypto tips using just email or social login—no wallet installation, seed phrases, or blockchain knowledge required. The platform features gas-free transactions through intelligent sponsorship, true multi-chain support with automatic token swaps,…

BlockBelle is a Web3-based chat application built specifically for women in the blockchain space. It leverages ENS (Ethereum Name Service) for user verification and provides a WhatsApp-like interface for seamless communication between verified community members

Jerota is a mobile-first Web3 platform that helps artists grow their fanbase by creating reward-based campaigns. Through the Jerota app, artists can launch campaigns where fans complete tasks like streaming music or watching videos, and in return, earn token and $JRT token rewards with optional payout in fiats. Built on Flutter for a seamless iOS and Android experience, Jerota integrates with Spotify and YouTube APIs for task verification, while leveraging Supabase for backend services. On the…

PiggySavfe is an innovative decentralized savings platform on the Celo blockchain that makes financial tools simple and accessible for everyone, especially in underserved communities. We blend traditional African savings wisdom with modern blockchain technology to help people save money, pay bills, and support their communities. Our platform offers three main features: Esusu Thrift Campaigns: Join rotating savings groups where 2-5 friends or family contribute monthly to a shared pot. Each…

The PrediKt project is a decentralized prediction battle platform that leverages blockchain technology to create trustless, transparent 1v1 prediction duels. Users can create and accept prediction battles by staking CELO tokens, where each battle presents a prediction with a stake amount, a challenger, and an optional specific opponent. The outcome of each battle is resolved on-chain through smart contracts to ensure fairness and automatic distribution of winnings. The core smart contract,…

AgroSafe is a decentralized platform designed to enhance agricultural supply chain transparency, food safety, and farmer protection. It leverages blockchain technology to track produce from farm to market, ensuring quality verification, fair pricing, and trusted data for all stakeholders — farmers, consumers, regulators, and distributors. By integrating IoT, smart contracts, and digital verification tools, AgroSafe enables real-time monitoring of agricultural products and automates…

GoodDollar’s smart contracts generate rich on-chain data daily—from UBI claims to DAO spending. Yet most of this data remains underutilized, fragmented, or hidden behind paywalls. This project creates 5 open dashboards on Dune Analytics, turning raw data into actionable, self-service insights for the entire ecosystem. Community contributors are also building modular spellbooks to power these dashboards—unlocking reusable queries, efficient development, and easier onboarding for future analysts.

AutoCard is a blockchain-powered automated payment and subscription management platform that enables users to securely link their debit/credit cards, delegate recurring payments, and track transaction history seamlessly.

A global classroom connecting students across communities to share knowledge and collaborate on the four nexus challenges—food, water, energy, and environment. Students from different backgrounds interact and combine their unique perspectives to tackle real-world problems through hands-on STEM projects. This collaborative knowledge exchange develops practical life skills, creates measurable impact, and rewards innovative solutions with GoodDollar incentives. By fostering cross-community…

<https://stable-sl.pdJ.app> Making easy for Sierra Leone people to buy and sell stable crypto coins.

Artesanía Viajera is born from my personal journey as a traveling street artisan, aiming to provide unique added value to my crafts through Web3 technology. When purchasing a physical piece, tourists scan a QR code linked to the artwork to claim a commemorative NFT. This digital asset is an on-chain proof of connection capturing the handmade craft, the direct encounter with the creator, and the spirit of the village. We leverage a POAP-inspired protocol to issue unique on-chain badges that…