web3privacy/ZKprivacylandscape
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Readme.md Update Readme.md 2023-05-25 14:29:10 -04:00

Readme.md

ZK privacy landscape > Zero-knowledge privacy-enhancing solutions

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⚠️ Note! Highlighted Privacy Enhanced Decentralised Applications (PEDApps) facilitate a different approach to privacy. Their solutions' maturity varies from conceptualisation to mainnet. So use them cautiously, especially when projects don't have a third-party security audit. That's why Web3Privacy Now is ongoing research: aggregation (we are here now) - audit - scoring.

Contents

Security Audits

DeFi

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  • Firn Protocol - Pluggable, flexible privacy for Ethereum-based chains, with unparalelled efficiency—thanks to a unique account-based architecture ZK (GitHub)
  • Elusiv - Create blockchain privacy solutions that are built for everyday transactions — with the power of scalable ZK infrastructure on Solana ZK (GitHub)
  • Dusk Network - Is technology for securities. An open source and secure blockchain (DLT) infrastructure that businesses use to tokenize financial instruments and automate costly processes.(GitHub)
  • Manta Pay - MantaPay is coming to Calamari as the first privacy payment solution in the Kusama ecosystem.ZK (GitHub)
  • Webb - an interoperable private bridge ZK (GitHub)
  • Panther Protocol - is a decentralized privacy metaprotocol enabling confidential, trusted transactions and interoperability with DeFi ZK (GitHub)
  • zk.money - The private DeFi yield aggregator for Ethereum.ZK (Docs)
  • RAILGUN - Private transfers and DeFi infra for Ethereum, Polygon, Binance Smart Chain and Arbitrum.ZK (Docs)
  • Light Shield - private transactions for Solana.(Docs)
  • Horizon - Decentralized Anonymous Payment Systems ZK
  • Sacred - multi-chain DeFi Platform offers private Yield Bearing Deposits to DeFi users ZK (GitHub)
  • DeFiner - Permission-less and configurable decentralized lending protocol with privacy 100% protected ZK (GitHub)
  • Penumbra - Penumbra is a shielded, cross-chain network allowing anyone to securely transact, stake, swap, or marketmake without broadcasting their personal information to the world (GitHub)
  • Yellow Submarine - the first and only multichain dApp to offer plug-and-play private DeFi (PriFi) across all EVM-compatible chains (Docs)
  • Charon - a privcy enabled, cross-chain AMM and stable token system(Github)

Currency

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  • BOB Protocol - BOB is a multi-chain, multi-collateral stable token enhanced with optional privacy features (GitHub)
  • DragonX - DragonX is the first Hush Smart Chain using the RandomX mining algo for CPU mining and offers private by default z-z transactions ZK (Gitea)
  • Ghost - Proof of Stake privacy coin to help make you nothing but a "ghost" when transacting online (GitHub)
  • Hush - Hush is private by default currency with enforced z-z transactions ZK (Gitea)
  • Iron Fish - The Privacy Platform for Web3 (GitHub)
  • MobileCoin - MobileCoin makes global payments inexpensive, secure and fast (GitHub)
  • Monero - Private, decentralized cryptocurrency that keeps your finances confidential and secure (GitHub)
  • PivX - Experience the freedom of global digital cash with SHIELD User Data Protection. Be your own bank with full control of your digital assets (GitHub)
  • Zcash - Zcash is a digital currency - fast and confidential with low fees (GitLab)

Infrastructure

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  • DarkFi - DarkFi is a new Layer 1 blockchain, designed with anonymity at the forefront. It offers flexible private primitives that can be wielded to create any kind of application (GitHub)
  • Manta Network - On-Chain Privacy for Web 3, DeFi and more ZK (GitHub)
  • NYM - Nym is developing the infrastructure to prevent this data leakage by protecting every packets metadata at the network and application layers (GitHub)
  • Mina - The worlds lightest blockchain, powered by participants. Using zero knowledge technology, Mina is creating the infrastructure for the secure, democratic future we all deserve ZK (GitHub)
  • Anoma - An intent-centric, privacy-preserving protocol for decentralized counterparty discovery, solving, and multi-chain atomic settlement (GitHub)
  • Espresso Systems - Bring low-fees and better privacy to your Web3 applications with Espresso Systems' high-throughput EVM-compatible blockchain (GitHub)
  • Findora - A decentralized, privacy-preserving smart contract platform. Build the next privacy dApp for any EVM-chain with the worlds leading zero-knowledge technology-explore all new possibilities (GitHub)
  • Suterusu - A suite of privacy-preserving services to obfuscate transactional and asset information to protect them from unwanted attention and malicious hacking. Our goal is to bring privacy-preserving and fair payment services to all the digital assets in the Web 3.0 world (GitHub)
  • Concordium - A compliance ready blockchain backed by science that enables private and public transactions (GitHub)
  • Horizen - The Zero-Knowledge Enabled Network of BlockchainsZK (GitHub)
  • Mystiko.Network - The Universal Web3 Zero-Knowledge Connectivity And Privacy Base Layer ZK (GitHub)
  • Nulink - Privacy-preserving technology for decentralized applications (GitHub)
  • RUBY - The Decentralized Privacy-Centric Protocol for Web3 (GitHub)
  • Raze Network - Raze Network is a EVM-compatible Privacy Layer on Multichains (GitHub)
  • Light Protocol - The Privacy Layer for Solana (Docs)
  • Partisia blockchain - Partisia Blockchain is built for trust, transparency, privacy, and speed of light finalization (Docs)
  • Calamari network - Calamari, Manta Network's canary net, is the plug-and-play privacy-preservation parachain built to serve the Kusama world. It combines Kusama and zkSNARK to bring inter-operable, easy to use, highly-performant and auditable on-chain privacy to transactions and further use cases ZK (GitHub)
  • Aleo - The World's First IDE for Zero-Knowledge Proofs ZK (GitHub)
  • Namada - Interchain Privacy (Specs)
  • MACI - Minimum Anti-Collusion Infrastructure (MACI) is a base layer for bribery-resistant, secure, and private digital voting. (GitHub)
  • Hush - Hush Smart Chains allow anyone to create their own independent, private by default blockchain ZK (Gitea)

Wallet

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  • Zecrey Wallet - Zecrey Chrome extension is a portal to the new & open Internet. Zecrey is an all-in-one wallet that not only provides a multi-chain layer-1 wallet but also a private cross-chain layer-2 wallet (GitHub)
  • Zkopru - Affordable Ethereum Privacy Wallet ZK (GutHub)

Computing network

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  • Aleph Zero - Privacy-enhancing public blockchain with instant finality (GitHub)
  • Findora - a decentralized, privacy-preserving smart contract platform. (GitHub)
  • PlatOn Network - Combining blockchain and privacy-preserving computation technologies, PlatON is building a decentralized and collaborative AI network and global brain to drive the democratization of AI for safe artificial general intelligence (GitHub)
  • Privasea - Using secure Multi-Party sharing we protect data ownership and privacy, and facilitate secure sharing between different parties so data still can be processed.

Layer 2

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  • Polygon Nightfall - A Privacy-Focused Rollup for Enterprises ZK (GitHub)
  • Zecrey - zkRollup basedLayer 2 protocol featuring privacy and scalability (GitHub)
  • Obscuro - Obscuro is a layer 2 solution for Ethereum that brings privacy and scale. It ensures the inputs, contract state and execution are always encrypted. No changes to dApps, just migrate and gain privacy (Docs)
  • ZKCHAOS - ZKCHAOS is a layer2-based anonymous transaction protocol, and a fair game platform, which is built to enhance privacy for all kinds of cryptocurrency.
  • StarkEX - A Layer-2 scalability engine, live on Ethereum Mainnet ZK (GitHub)
  • Plebble - P2P Network of computers running the Plebble software (L1 & L2). Plebble is an R&D Project on Future Societies started in 2017 in crypto-economic distributed, permissionless, egalitarian, scalable, privacy-preserving, sovereign, AI aid P2P networks; enabling untraceable, fast and reliable value-transfer for anyone; plus, at the same time, serving as foundation for a projected poorless/poverty-oblivious un{controlled/surveyed/regulated} civilization based on a better social order with no central authority, no 3rd parties nor intermediaries. (GitHub)

DID

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  • Web3ID - Privacy-preserving user verification for Web3 (GitHub)
  • Polygon ID - Polygon ID is a blockchain-native identity system with programmable privacy that empowers people and enables the creation of trusted interactions with web3 services ZK (GitHub)
  • VerusID - VerusID is for self-sovereign individuals, and conscious organizations that value their data (GitHub)
  • Findora CR - Enabling ZK Identity Management & CRedentials for Web3 (GitHub)
  • Iden3 - The open-source protocol at the basis of Polygon ID. The protocol defines on a low-level how the parties listed above communicate and interact with each other. Polygon ID is an abstraction layer to enable developers to build applications leveraging the Iden3 protocol (GitHub)
  • Holonym - Your ZK Passport for Web3. A holistic identity that lets you prove facts about yourself without revealing who you are ZK (GitHub)
  • zCloak - Privacy-first DID and verifiable computation infrastructure ZK (GitHub)
  • Sismo - Sismo is a modular protocol issuing ZK Badges for reputation portability and aggregation (GitHub)
  • Interep - Anti-sybil as a service (GitHub)
  • Universal Reputation - a private and non-repudiable reputation system (GitHub)
  • Zero Knowledge Verifiable Credential - Sketching out verifiable credential selective disclosure presentation on Mina with snarky.js
  • Hypersign - the ultimate stack for identity management (GitHub)

Bridge

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  • Aztec Connect - The Aztec Connect SDK allows any Ethereum protocol to be integrated in Aztecs private rollup with a simple Solidity interface and front-end SDK (GitHub)
  • ZkPay - Private Aztec withdrawal Bridge.

Messaging

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  • HushChat - A private by default messenger that uses shielded z-addresses instead of phone numbers for secure and anonymous communications ZK (Gitea)
  • RLN Anonymous Chat - A spam resistant instant messaging application for private and anonymous communication.
  • Status - Status is a secure messaging app, crypto wallet, and Web3 browser built with state of the art technology (GitHub)
  • XMTP x Lens - Lens Protocol has adopted XMTP to provide a secure and private direct messaging layer for the entire Lens ecosystem (Docs)
  • Waku - Waku is the communication layer for Web3. Decentralized communication that scales (GitHub)

KYC

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  • Notebook labs - Zero-Knowledge Cryptography for anonymous KYC and soul-bound credentials.ZK (Docs)
  • OutDID - Your Zero-Knowledge, Decentralized KYC filter of Blockchain users.

dApps

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  • ZkMaps - Protecting users location with ZK proofs (GitHub)
  • SPKZ - the first fully decentralized web3 community/chat platform
  • TLSNotary - Proof of data authenticity (GitHub)
  • Stealthdrop - Anonymous Airdrops using ZK-SNARKS ZK (GitHub)
  • Zerochain - Zerochain is a generic, privacy-protecting layer on top of Substrate
  • Paras - a blockchain-agnostic protocol that offers privacy to NFTs. Specifically, one may hide the real NFTs and only display a reference to them on marketplaces, hide seller and bidder identities, hide bid values and user wallet balances (concept by Vanishree Rao)
  • Spinner - Private transactions for ICP and BTC (GitHub)
  • Nucleo - Private, auditable shared multisig to shield & send assets
  • Semaphore Protocol - Using zero knowledge, Semaphore allows Ethereum users to prove their membership of a group and send signals such as votes or endorsements without revealing their original identity ZK (GitHub)
  • Zkitter - ZK social protocol, anonymous social network
  • Shadow - A Private Account System On Mina (GitHub)
  • S𝛑PETs - Universal covert privacy-enhanced transactions for ANY public blockchain that supports ECDSA or Schnorr based on two-party computation (2PC) combined with adaptor signatures and verifiable timed commitments (VTC) (GitHub)
  • HeyAnon - allows noun-holders to give feedback on proposals while maintaining their privacy using zero-knowledge proofs **ZK*

R&D

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  • P0X labs - the decentralized laboratory for building cutting-edge privacy technologies.
  • =nil; Foundation - Foundation intends to create a tightly integrated set of technologies becoming a basis for secure data storages operating in insecure environments.
  • Privacy & Security explorations - We explore new use cases for zero-knowledge proofs and other cryptographic primitives through research and proof-of-concepts.
Project Description
zk-chat Anonymous and private chat environments, using Interep for a privacy preserving registry and sybil resistance and RLN for spam protection.
TLSNotary leverages the ubiquitous TLS protocol to allow users to privately export their data from any webserver in a provable way.
Semaphore a protocol, designed to be a simple and generic privacy layer for Ethereum DApps.
Rate Limiting Nullifier a construct based on zero-knowledge proofs that enables spam prevention mechanism for decentralized, anonymous environments. In anonymous environments, the identity of the entities is unknown.
MACI MACI (Minimal Anti-Collusion Infrastructure) uses zero knowledge proofs for collusion resistance in blockchain voting (such as quadratic funding mechanisms) by making it impossible for anyone other than the vote coordinator to verify how a specific user voted.
Crypt-Keeper a Zero knowledge identity management and proof generation
Interep Private reputation and identity system allowing services to verify that users belong to a certain group or meet certain reputation criteria without revealing their identities.
Unirep allows anonymous members of a group to give, receive, and prove reputation without revealing their identity.
Zkopru an optimistic rollup that uses zero knowledge proofs to enable private, low-cost transactions with ETH, ERC-20s and NFTs on layer 2.
  • 01 Labs - Catalyzing a new generation of applications powered by zero knowledge cryptography
  • Personae Labs - R&D lab investigating the future of human expression online (GitHub)
  • Demox labs - Building privacy preserving ZK infrastructure on Aleo.
  • Electric Coin. Co - R&D advances accessibility, usability and scalability of Zcash, but the implications of our work have an even broader potential.
  • Hypermine - we build smart tools and protocols for Identity, Privacy & Security, with our roots in Distributed Systems, Machine Learning & Cryptography.
  • Entropy1729 - Zero Knowledge Shop
  • ChainSafe - a leading blockchain R&D firm, specializing in protocol engineering, cross-chain interoperability & web3 gaming.

Mixing services

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  • Onion mixer - Onion Mixer is the first decentralized protocol for anonymous cross-chain transactions.
  • Cyclone - Cyclone is a protocol that applies zkSNARKs to enable transactional privacy by breaking the on-chain link between depositor and recipient addresses (Docs)
  • Void protocol - Void protocol gives users control over financial anonymity, as an non custodial opt-in financial privacy service (Docs)
  • TC - an open source, non-custodial, fully decentralized cryptocurrency tumbler that runs on Ethereum Virtual Machine-compatible networks.
  • Minado - Zk Privacy Solution on Mina Protocol

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