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Projects on Karma
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Projects on Karma
5,243 projects found
Coffee for good
Created on Nov 21, 2025
Coffee for Good is a mobile-first dApp on Celo that turns tipping into a rewarding experience. Supporters can instantly "buy a coffee" for creators and receive a GoodKarma ($GK) ERC-20 token in return, leveraging Celo Composer Kit for a seamless, low-fee interaction.
0 grants0 milestones0 roadmap items
Green Goods Community Garden
Created on Nov 21, 2025
The global community garden for all Green Goods participants. This is the root garden that serves as the entry point for new users and community activities. All participants start here and can join specialized gardens as they engage with the platform.
0 grants0 milestones0 roadmap items
Chain Diary
Created on Nov 20, 2025
Chain Diary is a next-generation decentralised journaling platform, that prioritise users privacy first, while transforming daily writing into an engaging, reward-driven experience.
1 grant3 milestones0 roadmap items
Blaqk Stereo
Created on Nov 21, 2025
Blaqk Stereo is a decentralized music distribution and streaming company that enables music artists to earn their royalties in stablecoin.
0 grants0 milestones0 roadmap items
SurfLayer
Created on Nov 21, 2025
SurfLayer â the home of on-chain rituals. Build your Web3 identity and earn rewards across 100+ EVM chains.
We are reshaping the way users interact on-chain by unlocking:
- Seamless on-chain rituals across 100+ networks
- High-performance cross-chain bridging across multiple blockchains
- A unified Web3 identity that grows with every on-chain action
0 grants0 milestones0 roadmap items
cryptolove
Created on Nov 21, 2025
trading
1 grant0 milestones0 roadmap items
HUB Portal Chat
Created on Oct 8, 2025
**HUB Portal â Multi-Chain Social Chat Platform**
**HUB Portal** is a fully live **Web3 social platform** that combines **real-time messaging** with **on-chain rewards** across multiple blockchain networks. It's where your social activity turns into tangible value, all within a seamless, chat-driven experience.
### đ **One Chat, Multiple Rewards**
Chat, connect, and earn across an expanding ecosystem of blockchain networks. Each network offers unique rewards and incentives, all accessibleâŠ
0 grants0 milestones0 roadmap items
BlinkTip
Created on Nov 20, 2025
BlinkTip is a decentralized multi-chain tipping platform that gives content creators a single universal tip link that works everywhere, from Instagram and TikTok to Twitter and personal blogs. The platform's unique innovation is enabling tipping from both human supporters and autonomous AI agents, making it the first platform to bridge traditional creator monetization with the emerging AI economy.
platform where crypto content creators get tipped by humans AND autonomous AI agents." UniversalâŠ
0 grants0 milestones0 roadmap items
Toys for every kid
Created on Nov 20, 2025
kids of all world deserve toys
1 grant0 milestones0 roadmap items
Prediction.Live
Created on Nov 20, 2025
A real-time prediction and betting platform for live esports matches. Users predict events as they happen during the game, from ânext objective takenâ to âfirst blood,â directly on top of the live stream.
0 grants0 milestones0 roadmap items
BloomFi (The "Green" Savings Circle)
Created on Nov 20, 2025
BloomFi is a mobile-first "Regenerative ROSCA" (Rotating Savings and Credit Association) built on the Celo blockchain. It digitizes the traditional concept of community savings circles (known as Tandas in Mexico, Chamas in Kenya, or Arisan in Indonesia) by allowing groups of friends to pool stablecoins (cUSD) and take turns receiving the lump sum. Unlike traditional circles, BloomFi stakes the idle pooled funds to generate yield, which is automatically donated to verified climate preservationâŠ
1 grant1 milestone0 roadmap items
Predifi - Prediction Market, Aggregator and Arbitrage Protocol
Created on Nov 19, 2025
Predifi is an Optimism-native, Superchain-ready prediction market protocol built around a Central Limit Order Book for high-speed, transparent trading and on-chain resolution of event markets. By enabling L2-to-L2 cross-domain messaging, modular vaults, and cross-chain collateral mobility, Predifi aims to create a unified prediction-market layer that boosts capital efficiency, sustained on-chain activity, and new TVL across OP Stack networks.
1 grant0 milestones0 roadmap items
EventChain
Created on Jul 27, 2025
**EventChain: Decentralized Event Management on Celo**
**EventChain** is a decentralized event management platform built on the Celo blockchain, designed to provide secure, transparent, and trustless ticketing through smart contracts and an escrow system. It enables users to create, manage, and attend events, leveraging GoodDollar (G$) and Mento stablecoins (cUSD, cEUR, cCOP, etc) for seamless payments and ensuring fair transactions via blockchain-based escrow mechanisms.
**Key Features**âŠ
15 grants26 milestones0 roadmap items
Contribo for DeSci
Created on Nov 19, 2025
Contribo for DeSci: Transparent Scientific Peer Review Platform
Science funding is broken. 85% of grant proposals fail, peer review is anonymous with zero accountability, and young researchers can't break in without institutional backing.
Contribo solves this with reputation-staked validation. Researchers propose projects, domain experts validate with their reputation on the line, and funding flows based on merit - not pedigree.
Built for a DeSci hackathon (1st place).
Full-stack prototypeâŠ
0 grants0 milestones0 roadmap items
ContentCastAI
Created on Nov 19, 2025
ContentCastAI combines AI-powered content creation with social engagement and rewards.
Users can increase community engagement by creating organic, high-quality content on Farcaster and BaseApp. The app offers AI-powered automatic content recommendations and a fast sharing infrastructure, while also generating a unique contribution indicator, such as a Neymar score, for each profile.
Daily challenges allow users to both maintain their content creation habits and increase their motivation on theâŠ
1 grant0 milestones0 roadmap items
LegacyFi
Created on Nov 15, 2025
Future Asset Transfer is a simple Ethereum smart contract that enables automatic, time-locked transfers of Ether (ETH). It allows a sender to securely deposit funds that can only be withdrawn by a designated recipient after a specific future date/time.
This project is perfect for beginners exploring Solidity, smart contract automation, and future asset management on the blockchain.
Repository: https://github.com/ghoshrohit10/LegacyFi.git
0 grants0 milestones0 roadmap items
OnChainQuiz
Created on Nov 15, 2025
OnChainQuiz is an Ethereum smart contract that brings quizzes directly to the blockchain. Designed for learning, fun, and transparency, this contract lets the owner create questions and anyone on the network submit answers. The correctness of responses is checked on-chain, making the process secure, trustless, and tamper-proof...
Repository: https://github.com/arijitdas1/OnChainQuiz.git
0 grants0 milestones0 roadmap items
Frame Mind
Created on Nov 18, 2025
Frame Mind is a small tool that tracks a Farcaster accountâs daily activity and turns it into a simple, easy-to-read report. It checks changes in followers, engagement on recent casts, and how the accountâs overall activity is trending over time.
The goal is to give creators and project owners a quick snapshot of how their presence on Farcaster is growing each dayâwithout any complicated dashboards or extra noise.
1 grant3 milestones0 roadmap items
Quizonaire
Created on Nov 18, 2025
Quizonaire is a decentralized quiz game platform where players can:
Play quizzes powered by AI (Google Gemini)
Earn rewards for correct answers
Stake NFTs to earn additional rewards
Compete on the Celo blockchain
1 grant11 milestones0 roadmap items
FarmBlock
Created on Jul 29, 2025
FarmBlock is a decentralized application (DApp) on Celo that empowers communities to combat global hunger and drought through sustainable agriculture. By leveraging blockchain technology, FarmBlock enables local farmers to proof they are human with Self Protocol zkProof, create farmsteads (FarmBlocks), mint NFTs tied to real agro-products (e.g., quinoa, millets, goji berries), and trade yields transparently using stablecoins (cUSD, cKES, cEUR, cGHC, CNGN). Our mission is to build a globalâŠ
6 grants18 milestones2 roadmap items
HelloBase App
Created on Oct 21, 2025
HelloBase App is a simple decentralized web application built on the Base blockchain, designed to demonstrate seamless interaction between smart contracts deployed via Remix IDE and wallets connected through WalletConnect SDK.
The app allows users to:
Connect their crypto wallet securely via WalletConnect
Read onchain data (a âmessageâ) from a deployed smart contract
Update that data (write to the blockchain) directly from a web interface
By combining Remix, WalletConnect, and Ethers.js,âŠ
2 grants2 milestones0 roadmap items
PoolTrust
Created on Nov 15, 2025
PoolTrust is a decentralized community funding platform which allows individuals or groups to create, manage, and contribute to funding pools transparently â without needing banks, middlemen, or centralized platforms.
PoolTrust is where people can safely pool funds for shared goals, track contributions, and decide together how to spend the money â all on-chain and fully automated.
1 grant4 milestones0 roadmap items
Highway
Created on Nov 17, 2025
Highway is a cross-chain liquidity migration protocol that enables oneâclick, atomic migration of tokens and LP positions by combining inâflight CCTP bridge consumption, factoryâbased pool validation, integrated swap routing, and automated staking into Baseânative venues. By simplifying liftâandâshift migrations, automating refunds and stake provisioning, and bootstrapping liquidity for projects, Highway accelerates TVL onboarding, increases volume and fee generation for SuperchainâŠ
1 grant0 milestones0 roadmap items
WannaBet
Created on Nov 17, 2025
WannaBet is a Farcaster mini-app that enables 1v1 peer-to-peer betting on Base via modular smart contracts (Bet, BetFactory) implementing on-chain escrow and composable payout logic. By locking wagers into Aave and promoting a reusable mini-app pattern for decentralized gaming and prediction markets, it aims to drive Superchain activity and TVL while maintaining an open-source codebase undergoing a comprehensive security audit.
1 grant0 milestones0 roadmap items
Web3VotingApp4
Created on Nov 17, 2025
This project is a simple decentralized voting application built using Solidity and deployed on the Celo Blockchain (Sepolia Testnet). It demonstrates how blockchain can create a secure, transparent, and tamper-proof voting environment where every vote is recorded immutably on-chain. By removing reliance on centralized authorities, the system ensures that election results are fair, independently verifiable, and protected from manipulation.
GitHub Repository:âŠ
0 grants0 milestones0 roadmap items
AuctionFi - Transparent Bidding
Created on Nov 17, 2025
AuctionFi is a Solidity-based smart contract designed to enable transparent, time-bound auctions directly on the blockchain. It allows users to participate in fair, verifiable bidding without relying on central authorities or off-chain systems. All bids, timestamps, and auction rules are enforced and recorded on-chain, ensuring complete transparency and preventing manipulation. AuctionFi serves as a simple yet practical introduction to decentralized auction mechanisms in Web3.
GitHubâŠ
0 grants0 milestones0 roadmap items
CeloWeb3Proj
Created on Nov 17, 2025
This project is a simple Solidity smart contract designed to record borrowerâlender relationships immutably on the Celo blockchain. It provides a transparent and permanent on-chain ledger where lending interactions can be stored securely without relying on centralized systems. By recording each relationship directly on the blockchain, the contract ensures that the lending history remains verifiable, tamper-proof, and accessible to all parties involved.
GitHub Repository:âŠ
0 grants0 milestones0 roadmap items
FitLedger2
Created on Nov 17, 2025
FitLedger is a beginner-friendly Solidity smart contract designed to store daily fitness logs securely and immutably on the blockchain. Each userâs workout data is linked directly to their wallet address, ensuring that logs remain private, tamper-proof, and permanently accessible. By recording fitness information on-chain, the system demonstrates how personal tracking applications can be decentralized, transparent, and fully user-owned.
GitHub Repository:âŠ
0 grants0 milestones0 roadmap items
On-Chain Attendance Smart Contract
Created on Nov 17, 2025
The On-Chain Attendance Smart Contract is a Solidity-based system designed to securely record and verify attendance directly on the blockchain. Suitable for students, employees, and organizational use-cases, it provides a permanent and transparent way to track presence without relying on centralized logs or manual records. The repository includes both the smart contract code and the usage guide, making it easy for beginners to deploy, test, and integrate the system into real-worldâŠ
0 grants0 milestones0 roadmap items
Blockchain Library System
Created on Nov 17, 2025
ChainShelf is a blockchain-powered book management system that brings transparency, fairness, and verifiability to library-style operations. Built using Solidity, it showcases how real-world systemsâsuch as book lending and trackingâcan be recreated on-chain with complete tamper-proof accuracy. The project is beginner-friendly and demonstrates the fundamentals of smart contracts, decentralized record-keeping, and transparent resource management.
GitHub Repository:âŠ
0 grants0 milestones0 roadmap items
Counter on Celo Sepolia
Created on Nov 17, 2025
This repository provides a clean, beginner-friendly, and production-ready setup for deploying a simple Solidity smart contractâspecifically a basic Counterâto the Celo Sepolia testnet using Hardhat. It offers a structured and professional project layout that mirrors real-world development practices, making it ideal for anyone learning how to build, compile, test, and deploy smart contracts efficiently. The setup streamlines the entire workflow, helping developers quickly understand how toâŠ
0 grants0 milestones0 roadmap items
On Chain Voting Sys
Created on Nov 17, 2025
This project is a simple and transparent on-chain voting system built using Solidity, designed to let users create polls, cast votes, and view real-time results with complete trust. Every actionâfrom poll creation to the final tallyâis permanently stored on the blockchain, ensuring full transparency and preventing any form of tampering or manipulation. The system demonstrates how decentralized governance mechanisms can be deployed using smart contracts while remaining user-friendly andâŠ
0 grants0 milestones0 roadmap items
ChainShelfweb3
Created on Nov 17, 2025
ChainShelf is a Solidity-powered smart contract built to bring full transparency and accountability to book lending systems. Designed for libraries, institutions, and community spaces, it enables books to be checked out and returned with every action permanently recorded on the blockchain. By making all lending activity tamper-proof and publicly verifiable, ChainShelf ensures fairness, trust, and secure management of book inventories.
GitHub Repository:âŠ
0 grants0 milestones0 roadmap items
Amrita Ki Sarkar
Created on Nov 17, 2025
Amrita Ki Sarkar is a decentralized blockchain-based voting system designed to make elections transparent, trustworthy, and accessible. Built using Solidity and deployed on the Celo Sepolia Testnet, it enables the creation of tamper-proof elections where every participant can vote only once, and all results are permanently stored on the blockchain. By allowing anyone to verify votes and candidate data on-chain, the system eliminates the risks of manipulation, hidden results, or administrativeâŠ
0 grants0 milestones0 roadmap items
Banking Sys web3
Created on Nov 17, 2025
The Transparent Decentralized On-Chain Banking System is a Solidity-based smart contract that demonstrates how blockchain can be used to build a secure, transparent, and trustless banking model. Instead of relying on a centralized authority, users interact directly with the smart contract to create accounts, deposit funds, withdraw balance, and track their financial activity. Every action is recorded permanently on the blockchain, ensuring complete transparency and eliminating the possibilityâŠ
0 grants0 milestones0 roadmap items
Vault Web3
Created on Nov 17, 2025
VIBE CODE is a beginner-friendly Solidity smart contract designed to bring transparency, trust, and accountability to simple financial interactions on the blockchain. It allows users to deposit, withdraw, and transfer Ether with each action recorded permanently on-chain, making every transaction publicly verifiable. By storing user balances and logging all activity through events, the project demonstrates the foundational principles of decentralized finance while remaining simple enough forâŠ
0 grants0 milestones0 roadmap items
Immutable Tracking of Player Fouls and Violations
Created on Nov 17, 2025
RedCard is a Solidity-based smart contract designed to bring full transparency and accountability to sports officiating. It enables referees or league authorities to record yellow and red card violations directly on the blockchain, ensuring that every foul is stored permanently and cannot be altered or deleted. By keeping all player violations publicly visible and timestamped, RedCard creates an immutable and trustworthy match history where disputes, manipulation, or loss of records areâŠ
0 grants0 milestones0 roadmap items
Timekeeper
Created on Nov 17, 2025
TimeKeeper is a minimal smart contract built in Solidity that creates an immutable, timestamped record of submissions (called deliverables).
Each submission is stored permanently on the blockchain with the submitterâs wallet address, a custom description, and the exact time of submission
0 grants0 milestones0 roadmap items
XYZ smart contract
Created on Nov 17, 2025
The XYZ Smart Contract is a beginner-friendly Solidity project designed to demonstrate the fundamentals of Ethereum smart contract development. It showcases how to deploy a contract, manage ownership, and securely store on-chain data. The contract allows the owner to set and update a message while making it publicly readable for anyone. This simple yet practical project serves as an ideal starting point for developers exploring blockchain technology.
0 grants0 milestones0 roadmap items
sayntikanigga
Created on Nov 17, 2025
It is a beginner-friendly Solidity smart contract that allows players to join a simple number prediction game. Players choose a number between 1â10, pay a small entry fee, and wait for the game owner to reveal the winning number. If their prediction matches, they share the prize pool!
Features : -
1. Join the game by paying a fixed entry fee (0.01 ETH).
2. Guess a number between 1 and 10.
3. Owner reveals the winning number.
4. Winners are rewarded automatically from the contractâŠ
0 grants0 milestones0 roadmap items
EduProof
Created on Nov 17, 2025
Traditional certificates can be lost, forged, or manipulated.
EduProof solves this by keeping all verified certificates directly on-chain â
making them easily verifiable and immutable.
Institutions can issue certificates, and anyone can later verify them using a unique Certificate ID.
0 grants0 milestones0 roadmap items
ChainRise_contract
Created on Nov 17, 2025
https://github.com/AKr3106/ChainRise_contract
0 grants0 milestones0 roadmap items
KhazaanaPlus
Created on Nov 17, 2025
Khazaana+ (meaning Treasure Chest) is a decentralized note-storing dApp built on blockchain technology.
It allows users to store, update, and manage personal notes directly on the blockchain â no central servers, no third parties, and complete ownership of your data.
Each user (wallet address) has their own note space, and all operations â adding, editing, deleting â are securely recorded on-chain.
Github link: https://github.com/mushtaqsaqlain2004-code/KhazaanaPlus/tree/main
0 grants0 milestones0 roadmap items
Trustchain
Created on Nov 17, 2025
In todayâs digital world, managing what happens to your online assets after death or long inactivity is a real concern.
Trustchain provides an on-chain solution that automates this process using smart contracts.
The contract allows an owner to:
Register heirs and assign each a percentage of their estate.
Periodically send a âheartbeatâ to signal activity.
Automatically release the assets to heirs if the owner remains inactive for a defined period.
This eliminates reliance on centralizedâŠ
0 grants0 milestones0 roadmap items
TransparentGuessingGame
Created on Nov 17, 2025
Welcome to the Transparent Guessing Game, a beginner-friendly Solidity smart contract project built to demonstrate how commitâreveal randomness works in a decentralized and transparent way.
This game ensures fairness â even the owner canât cheat â and all players can verify every step on the blockchain.
0 grants0 milestones0 roadmap items
SimpleLottery
Created on Nov 17, 2025
Transparent Guessing Game using Smart Randomness
0 grants0 milestones0 roadmap items
HealthProof
Created on Nov 17, 2025
In traditional healthcare systems, medical reports are often stored on centralized databases that are vulnerable to tampering, loss, or unauthorized access.
HealthProof addresses this problem by leveraging blockchain technology to ensure data integrity, privacy, and verification of medical records.
Each medical report is stored off-chain (e.g., on IPFS or cloud) and only its cryptographic hash is saved on the blockchain.
This allows for verification without exposing sensitive data on theâŠ
0 grants0 milestones0 roadmap items
Checklist
Created on Nov 17, 2025
Checklist is an immutable daily productivity tracker built with Solidity.
It allows each Ethereum user to maintain their own on-chain checklist of tasks.
Once you add a task, it becomes part of your permanent blockchain record â promoting accountability and transparency in your productivity habits.
This project is great for beginners learning how to:
Work with structs and mappings in Solidity
Understand storage and immutability
Deploy and interact with smart contracts on EVM-compatibleâŠ
0 grants0 milestones0 roadmap items
contract
Created on Nov 17, 2025
VotePoll is a simple and transparent decentralized voting system built on the Celo Sepolia Testnet.
It allows anyone to vote for one of three candidates â Alice, Bob, or Charlie â directly on the blockchain.
Every vote is stored immutably, ensuring fairness, transparency, and no double voting.
This project demonstrates the power of Solidity smart contracts for governance or polling applications, making it perfect for blockchain beginners and learners.
0 grants0 milestones0 roadmap items
ChainMemos
Created on Nov 17, 2025
ChainMemos is a simple, permanent, and decentralized note-storage system built using Solidity and deployed on the Celo Sepolia Testnet. It allows anyone to write and retrieve short memos directly on the blockchain, ensuring they remain accessible, transparent, and tamper-proof forever. Each memo includes the authorâs wallet address, the memo content, and an automatic timestamp, creating an immutable public record of thoughts, messages, or updates. The project is designed as a beginner-friendlyâŠ
0 grants0 milestones0 roadmap items
Karma by the Numbers
...Total Projects
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