Projects on Karma

# Overview Our team, funded by EF PSE (https://pse.dev), is building open-source software, designs, and educational material to enable **private POAPs** built on ZK technology and NFC cards from ARX (https://arx.org). This work is based on an initial deployment at Zuzalu, where residents could add digital "stamps" from different events to their Zupass. A description of that experience is linked above. We want more communities, events, and artists to use this technology, because it provides a…

Grant pool to fund NFC x ZK experiments

Created on Nov 1, 2023

Uniswap V3 Calculator & Simulator is an exploration tool for Uniswap V3 providing insights and fee estimates which are usually abstracted away from the UI. Uniswap doesn't show returns or APR for any new liquidity position that you create, which makes it hard to judge how well a position would do. I created Uniswap V3 Fee Calculator & Position Simulator after I realized how painful it is to evaluate LPs on Uniswap V3 at the moment with the interface choosing to not include things like…

Uniswap V3 Calculator & Simulator

Created on Nov 1, 2023

### **About Sprintcheckout:** Sprintcheckout is an innovative crypto payment gateway poised to bring the Ethereum payments ecosystem to the forefront of e-commerce. By leveraging the capabilities of Ethereum rollups and the nuances of account abstraction, Sprintcheckout offers a user experience that competes with, if not surpasses, traditional payment methods. ### **Key Features:** - **Non-Custodial & Fully Bankless:** Unlike many of its contemporaries, Sprintcheckout provides merchants and…

Sprintcheckout

Created on Nov 1, 2023

MetaMail (https://metamail.ink) is the web3 email provider. With MetaMail users use wallet/ENS as email address (e.g. suneal.eth@mmail.ink), and sign/encrypt to ensure the security. MetaMail is compatible with other mail like Gmail. All those features are totally free, no gas fee. MetaMail won Gold Prize in EthShanghai22 Hackathon! We need you help to keep MetaMail free and neutral. We have open-sourced our frontend code at Github. Currenty we are building the new version UX with greate…

MetaMail

Created on Nov 1, 2023

Kleo Network - Trustless way to create personalized user experiences, while replacing cookie popups. Kleo Network allows the consensual sharing of social graphs based on the user's browsing history. The user can share this information with an organisation and benefit from the personalised experience along with $KLEO rewards without sacrificing privacy. The social graphs are using zero-knowledge proofs to ensure user privacy is not violated. FEATURES - Users are just needed to download the…

Kleo Network

Created on Nov 1, 2023

2 grants2 milestones0 roadmap items

DigiOracle

Created on Nov 1, 2023

## DigiOracle DigiOracle (formerly KlayOracle) is a highly modular blockchain oracle that allows you securely connect your Web3 applications with events, data, and assets from the real world. DigiOracle, formerly KlayOracle, started during the KlayMaker22 Hackathon on Klaytn and won the Public Goods track in the KlayMakers 22 hackathon. Since that time, we’ve rearchitected the protocol to build out the core technology that powers the DigiOracle for more EVM compatible chains. ## Some of our…

## What is Hildr Hildr is an OP Stack rollup client written in Java 20 with GraalVM native. ## Motivation We want to build the full OP stack based on the latest Java. Vitalik emphasized the importance of client diversification for decentralization in his blog. Currently, there are multiple client implementations based on Go, Rust, C# and Java.The diversification of clients is also the expectation of the OP stack. Currently, the official development of various services in the OP stack is…

Hildr

Created on Nov 1, 2023

Smart Invoice flips traditional invoices on their heads with a combination of escrow, milestone payments, and arbitration. We enable clients and service providers to transact with less trust and fewer intermediaries. ## Origins Smart Invoice originally was custom built by RaidGuild for improving how clients paid for work. RaidGuild Raid Parties (project teams) needed better assurances that clients could pay for contracted services. At the same time, we set out to give clients more confidence…

Smart Invoice

Created on Nov 1, 2023

#### Thunder: A Secure Messaging Platform on the Blockchain ![Thunder Chat App](https://uploads-ssl.webflow.com/6311f8dd72d1d12f9b55b9ce/644a1d20276639b1bf2ddf93_ThunderChat_Header.png) ##### Introduction Thunder is a blockchain project that aims to provide a secure messaging platform for users. With the rise of web3 technologies, users are more aware of the importance of privacy and security. Thunder leverages the ERC-4337 technology so we can onboard the mass adoption of users. Users do not…

Thunder Chat

Created on Nov 1, 2023

ZeroPool is blockchain agnostic privacy engine. Our solution is build on zkSNARKs. We research and create privacy technologies under fully opensource license and you can use it in your products. EVM, Substrate, NEAR, WAVES implementations are available and live on testnet. What is under the hood: * Fawkes-crypto / Groth16 / Plonk /Poseidon / * Solidity / Typescript / Angular / NestJs / RxJSDone: * Support of PLONK 2022 Q1 Future Plans: * Implementing lightweight recursive prover with…

ZeroPool

Created on Nov 1, 2023

Smoothly is a tool for home stakers which enable us to pool together tips and MEV from block proposals. If you want to support the health of the network by staking from home, but also want the benefits of reward smoothing (historically only been offered by staking service providers), you can now have the best of both worlds. By pooling together execution layer rewards, validators have access to the mean reward and enjoy distributions at fixed intervals. To join, validators change the fee…

Smoothly

Created on Nov 1, 2023

zkblock started as a boilerplate for developing zk dapps using circom ( groth and plonk). But since inception, it has grown to include other tools required to develop zk and web3 dapps. The goal of zk-block is educate and help users to develop quality zk and web3 apps. Since, the inception we have included several features to make zkblock useful for development, You can read blog posts to learn about new features and various technical topics such as new EIPs, Transient Storage etc.…

Zk- Block | Tools for Zk & Web3 Dapps

Created on Nov 1, 2023

6 grants1 milestone0 roadmap items

Sybil Defense for Public Goods - with privacy

Created on Nov 1, 2023

# What is Holonym? Holonym is a privacy-preserving identity protocol. It uses zero knowledge proofs to allow users to prove they are a unique human and receive a high score Gitcoin Passport stamp for Sybil Defense without revealing their identity. # Why is it important for Gitcoin? Holonym provides Sybil Defense for Gitcoin Grant Rounds through an integration with Gitcoin Passport. Holonym lets users perform zero knowledge off-chain KYC to privately mint an SBT-NFT "proof of unique person"…

Liker Land combines Writing NFT in digital publishing. Provides simple Web3 tools for DRM-free e-books, subscription services for newsletters, and writers' payout in fiat & crypto in a simple interface. Liker Land is an open-source tool that can support any writing platform and is designed for layman users. Through Writing NFTs, readers no longer pay for viewing rights but truly own the digital content they pay for. Readers can collect, show off, gift, and even trade their owned content while…

Liker Land - Writing NFT - Open Content Culture Backed by Readers

Created on Nov 1, 2023

Otterscan is an open-source, fast, local, laptop-friendly Ethereum block explorer

Otterscan

Created on Nov 1, 2023

# Returning the Spellbook to Open Source MIT ## Intro: For years the collective wisdom of hundreds of data wizards has combined to create the "Spellbook", an open-source and MIT Licensed DBT project fostered by Dune Analytics. The Spellbook is an abstraction layer allowing raw blockchain data to reveal its valuable insights. Dune abandoned the open-source heritage of this resource in June with two decisions. 1. They moved from SPARKQL to a closed-source SQL engine called DUNESQL, preventing…

Open Spellbook

Created on Nov 1, 2023

***ShapeShift is the best alternative to a CEX; a free, permissionless interface to the DeFi universe.*** ShapeShift DAO is building a comprehensive self-custody alternative to centralized exchanges. The roadmap for our product is driven by the community of FOX Token holders; an in-progress version is live at app.shapeshift.com as well as in the [iOS](https://https://apps.apple.com/us/app/shapeshift-crypto-platform/id996569075) and…

ShapeShift DAO

Created on Nov 1, 2023

A promise/trustworthiness tracker. People have short memories. Blockchain never forgets. Will be available at [truquest.io](https://truquest.io) in September. More info in the [repository](https://github.com/TruQuest/TruQuest). - You submit a promise made by an entity (person/organization) of interest, providing proof of its validity. Others evaluate the submission and (hopefully for you) accept it. - Once the entity fulfills the promise (or not), you submit a settlement proposal for it…

TruQuest

Created on Nov 1, 2023

Introducing The UNIT - an essential piece of the future of DeFi. The UNIT aims to solve the issue of fragmentation in the world of cryptocurrencies. The UNIT (Ø) is a just unit of account that provides a standard benchmark that accurately represents the whole market. Weaving together the intricacies of Crypto, benchmarking, and long-term stability, The UNIT offers a fresh and exciting perspective on pricing. Our open selection algorithm, dynamically adapting to the top cryptocurrencies,…

UNIT

Created on Nov 1, 2023

## Fairdrive: Digital Freedom with Decentralized Web3 Storage **TL;DR:** Fairdrive offers a decentralized storage solution, ensuring individuals have complete control over their data. It's not just a storage space; it's a movement towards a fair data economy, merging the convenience of web 2.0 with the security and privacy of blockchain. **Description:** Developed with the ethos of the [Fair Data Society principles](https://fairdatasociety.org), it challenges the norms of surveillance…

Fairdrive

Created on Nov 1, 2023

Rouge Ticket is a revolutionary **decentralized**, **permissionless** and **open-source** event management solution. By leveraging the power of EVM blockchain technology and non-fungible tokens (NFTs), Rouge Ticket empowers event organizers and attendees alike. Currently deployed on Arbitrum Nova, Optimism (and a few testnets), our goal is to expand across the most significant EVM blockchains. Experience the app's functionality firsthand by [trying it out](https://ticket.rouge.network/)! We…

Rouge Ticket

Created on Nov 1, 2023

TalentLayer is an open protocol and developer toolkit for building better hiring platforms. TalentLayer enables builders to launch hiring platforms platform fast with configurable escrow, user-owned identities, jobs and proposals, and more. All open-source. All interoperable. TalentLayer harnesses the power of blockchain to allow network effects sharing and user-owned reputations - helping teams bootstrap fast and focus on building user-friendly marketplaces that serve everyone. THE VISION 🌱…

TalentLayer

Created on Nov 1, 2023

# Crowdfunding Prizes for Public Goods with viaPrize.org viaPrize.org is the only platform in the world that allows anyone to create a crowdfunded prize (AKA "bounty") to incentivize the creation of public goods. This innovative solution overcomes the tragedy of the commons through peer-to-peer collaboration rather than bureaucracy. ![publicgoods](https://i.postimg.cc/4dwMvs8B/Screenshot-2023-08-11-111440.png) ### The Tragedy of the Commons If a village wants a public good such as a road,…

viaPrize

Created on Nov 1, 2023

PrivX is the first Aleo-powered DEX that paves the way for a more secure and private crypto future. By leveraging Aleo's privacy features, PrivX ensures anonymous and secure crypto trading, eliminating the concern for centralization. It enhances liquidity, and attracts privacy-conscious users, positioning Aleo as a leading blockchain platform for private and secured trading. Twitter: https://twitter.com/PrivExchange Doc: https://docs.privx.exchange/

PrivX

Created on Nov 1, 2023

Self-custodial wallet over centralized exchanges - use any dApps from "Binance" balance Users can connect their account on Binance/(Coinbase) and use DeFi directly from their exchange balance While using dApps, the wallet itself transfers money from the exchange to user's on-chain account and executes the transaction immediately. HERE turn crypto users who keep money on exchanges into crypto users NOW: Launched on Google Play & App Store, 4500 MAU 👇app…

HERE Wallet

Created on Nov 1, 2023

The last three Gitcoin rounds were extremely successful for IDriss. With nearly 9k individual contributions, we've raised over $55k. Thank you! **About** Every human on Earth deserves frictionless access to crypto and the benefits coming from using it: cheap and instant transactions, improved security & privacy, and investment opportunities. IDriss is on a mission to help provide that by building a suite of tools making web3 more usable for everyone.…

IDriss - A more usable web3 for everyone

Created on Nov 1, 2023

# Flexible Voting Gitcoin Grant Description Flexible Voting is an extension to the widely used Governor system pioneered by Compound and used by many DAOs. It allows arbitrary delegate voting contracts to roll up the votes of many token holders. This provides a permissionless interface for all kinds of new usecases related to onchain DAO voting. ## About Flexible Voting Flexible Voting was originally developed as part of a grant from the Uniswap Foundation. It adds a simple building block to…

Flexible Voting

Created on Nov 1, 2023

Solhint is a Solidity linter. A tool that helps solidity devs to write standardized smart contracts code, taking care of code quality, order, readability, style guides, preventing known bugs, and giving security alerts. Has been a pretty popular tool within Ethereum community. It’s also an open source tool, everybody can collaborate in the development, but It hasn’t been updated since more than one year ago. Our project aims to fund a small team of one developer and some hours of a tech lead to…

Solhint

Created on Nov 1, 2023

Public Assembly (PA) is an onchain collective identifying opportunities to create what’s missing. We take a community-centered approach to software development, focusing on the needs of our members and providing education for those to follow along. Our most successful projects to date in terms of external adoption are various governance related clients + packages, as well as infrastructure for open-information proliferation.

Public Assembly

Created on Nov 1, 2023

Umbra is a protocol that lets you get paid privately on Ethereum and Layer 2 networks. ## About Umbra As a protocol, Umbra defines a simple set of standards, coupled with a singleton smart contract instance, to enable stealth addresses on Ethereum. With a stealth address, a payer can send Ether or ERC20 tokens to an address controlled by the receiver, but no one except the two parties know who that receiver is. On chain, the transaction looks like a simple transfer to an otherwise unused…

Umbra

Created on Nov 1, 2023

rotki is an open source portfolio tracking, accounting, analytics and tax reporting tool that protects your privacy. rotki's long term vision is to become the one-stop for all your portfolio managing and tracking needs. A place to track, account for and actively manage your assets over all EVM(or not) chains, CEXes and the tradfi world. We believe we can achieve that through radical transparency that developing in opensource gives and by encouraging all of you to help us grow and develop the…

rotki

Created on Nov 1, 2023

16 grants0 milestones1 roadmap item

DAOstar

Created on Nov 1, 2023

[DAOstar](https://daostar.org) is the standards body of the DAO ecosystem, composed of over 80 key organizations in the space including every major DAO framework, a large number of DAO tooling companies, and many major DAOs. We're the IETF of DAOs. We authored and maintain [EIP-4824 / DAOIP-2: Common Interfaces for DAOs](https://eips.ethereum.org/EIPS/eip-4824), along with [many other standards](https://github.com/metagov/daostar/tree/main/DAOIPs) already published and in development. You can…

## Loanshark [Loanshark Discord](https://discord.gg/tbSEWQYMKV)| [Loanshark Twitter](https://twitter.com/loansharktech) | [Loanshark Medium](https://loansharktech.medium.com/) ### Introduction Loanshark Core is a lending protocol with a risk-isolated lending pool structure on Scroll. We'll be launching on Scroll Mainnet in September! We are incubated by the [Polygon X HyperNest DeFi accelerator](https://www.f6s.com/polygon-hypernest-defi-accelerator-2023) and are listed as a DeFi…

Loanshark

Created on Nov 1, 2023

Pulsar Procotol is the implementation of TWAMM that effectively combines embedded AMM, Instant Swap, and, most importantly, Term Swap that breaks long-term orders down into an infinite number of infinitely small virtual orders and executes swaps smoothly over time using an embedded AMM. The outcome is hence the avoidance of high slippage costs and gas fees. Market participants can submit large long-term orders on multiple blocks of Ethereum.

Pulsar Protocol

Created on Nov 1, 2023

Idena is the first blockchain that utilizes a unique consensus mechanism called Proof-Of-Person, which prioritizes people over tokens. Unlike other systems that rely on money-based governance, Idena operates on the principle of *one-person-one-vote*, ensuring that power is distributed equally among all participants. This prevents a small group from gaining too much control. Idena offers a puppet-resistant crypto-identity primitive, which is used for democratic voting, Quadratic Funding, fair…

IDENA: Proof-of-Person protocol

Created on Nov 1, 2023

Cryptocurrency addresses can be challenging to manage. Common mistakes, such as sending tokens to incorrect addresses or contracts, have resulted in over $0.5 billion in unrecoverable losses. To tackle this issue, we created SafeTransfe, a foolproof system utilizing the ERC-20 standard. Users can securely request and send tokens by logging into their wallets and employing the approve/transferFrom method, ensuring no tokens are lost without relying on any third-party smart contracts.…

SafeTransfer

Created on Nov 1, 2023

## About ENSRedirect is a tool for ENS domain holders and users to make the most out of their .eth names.Users can redirect their domain to any website of their choice, curate, generate and showcase their Web3 profile seamlessly. Embedded video and audio content for creators and social links, hosted on ENS and IPFS - all for free! Our mission is to build products and public goods that empower .eth holders and users to utilize their domains. To revolutionize ENS domains, we believe users need…

ENSRedirect

Created on Nov 1, 2023

## zkBob zkBob has spent **more than 2 years in R&D working** with researchers at ZeroPool to create a secure privacy solution that also offers compliance features for users. zkBob launched last September on **Polygon**, and the 2nd zkBob pool was **just released on Optimism**! zkBOB uses the **BOB stablecoin** for transactions, creating a stable payments environment designed to support regular use cases like: - **_Salaries_** - **_Single-click payments_** - **_Donations, grants, and…

zkBob

Created on Nov 1, 2023

_**Opensource software advancing industrial and robotics engineering for Lunar Settlement Management**_ LunCo harnesses professional space engineers' expertise to create a project focusing on decentralized engineering. Its comprehensive toolkit caters to various hardware or robotics projects, making it an all-encompassing solution. **In other words, LunCo brings web3 into Space Engineering!** ## Why Web3? Web3 technology allows decentralization, which is crucial as engineering work is…

LunCo - decentralized space missions engineering

Created on Nov 1, 2023

TheBadge is a decentralized oracle for certification powered by Ethereum. It allows users to bring validated information from the real world to the blockchain in the form of certifications (badges) through our peer-to-peer certification mechanism. This means that these badges are verified and validated by the community (curators), which decides what should be accepted and what not. For instance, a use case is allowing all users to bring their reputation from their web2 social platforms for…

The Badge

Created on Nov 1, 2023

# 💡TL;DR Help us enable more communities to fund and govern their mission! With Gitcoin donations, we will continue **providing blueprints and tools for impact communities to realize economic sustainability and shared resource governance**. Leveraging our success with the [Augmented Bonding Curve](https://medium.com/commonsstack/deep-dive-augmented-bonding-curves-b5ca4fad4436) and [Economic Co-design](https://medium.com/commonsstack/a-non-violent-revolution-against-technocracy-53388b123936)…

Commons Stack

Created on Nov 1, 2023

We are building a first-of-kind protocol that changes how people send transactions, using Epoch protocol users and institutions will be able to automate their use of funds and schedule on-chain tasks based on various on-chain and off-chain conditions, batch transactions, chain transactions, even power intents and putting all of it together completely change the experience of sending transactions and what can be done with them using account abstraction. Its a WIP project, but we are making…

Epoch Protocol

Created on Nov 1, 2023

Mirall0x app is an open source project developed to empower communities when analysing candidates for grants, like this one! It uses on-chain and off-chain metadata to deliver quality information in a centralised and visual way for key decision-making. Want to try it out? Go to https://mirall0x.streamlit.app/ and check all the projects that have subscribed to this current round. Projects working with proof of impact helps communities understand the ones that survived the initial obstacles…

mirall0x

Created on Nov 1, 2023

Scry is an open infrastructure that allows developers to deploy their own oracles, anyone to run their own oracles to earn fees and projects to choose who and where they source their data from.

Scry

Created on Nov 1, 2023

The Arkiver SDK is a custom open source indexing tool designed to make indexing & integrating blockchain data with Web3 applications as easy as possible. With end to end type-safety & the flexibility to seamlessly manage advanced data pipelines Arkiver is ready to make indexing easy. Arkiver is built on top of Viem (https://viem.sh/) & contains end to end type-safety to optimise the developer experience. Allowing developers to take full advantage of modern IDEs with IntelliSense creating an…

Arkiver SDK

Created on Nov 1, 2023

Sybil-scorer is a powerful Python package that provides developers and sybil slayers with a range of tools for analyzing the behavior of addresses. The package was started during the Data Builder Hackathon in January 2023. The main goal was to develop legos that can be easily reused by anyone to analyze and fight sybils on the blockchain. The package includes three main sub-packages: sbdata, sblegos, and sbutils. The sbdata package allows developers to easily retrieve a large amount of data…

Sybil-scorer

Created on Nov 1, 2023

# Introduction Dark Forest is an MMO strategy game built with zkSNARKs on Ethereum and xDAI. We had full fun playing Dark Forest, but at the same time, we have some ideas and plans to **improve the game using zero-knowledge proofs and blockchain technology**. # Our ongoing programs ## 1. DF ARES In March 2023, we have chosen to hold ”**DF ARES**” — seasonal Dark Forest community rounds to explore more possibilities around the game mechanics of Dark Forest and to test the latest…

Using ZK for game optimization in Dark Forest

Created on Nov 1, 2023

5 grants0 milestones0 roadmap items

FundPG

Created on Nov 1, 2023

We allow individuals to allocate a percentage of their yield from on-chain yield generating strategies to public goods via the Gitcoin Matching Pool. We also do collaborations with projects to create merch where 100% of the proceeds go to funding public goods.

PEERUP is a community launchpad, specifically designed for associations, co-ops, or sports clubs with a joint treasury. Our mobile-first super app leverages blockchain technology to provide transparent and secure governance and fund management, offering a seamless community creation experience, much like creating a group chat on WhatsApp. WE WANT TO BRING DAOs TO THE MAINSTREAM

PEERUP

Created on Nov 1, 2023