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List of Privacy Projects

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821 projects

Open project
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Hinkal
Hinkal is building infrastructure for that consists of: 1) Private wallet — enables any on-chain activity without exposing wallet data and the history of transactions. 2) Hinkal Send - enables confidential payments with existing wallets 3) SDK for private payments on major chains Incubated at Stanford and Binance MVB, Hinkal has raised $6m from Draper Associates, Stanford, SALT, Re7, and SNZ. In 2024, it became the largest privacy infrastructure, achieving $250M in transaction volume.
defiinfrastructureapplicationsdefiwalletsinfrastructuredapps
Open project
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RAILGUN
Private transfers and DeFi infra for Ethereum, Polygon, Binance Smart Chain and Arbitrum.
defidefi
Open project
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Oasis Network
A privacy-enabled blockchain platform for open finance and a responsible data economy
infrastructureinfrastructuredefiwalletscomputing
Open project
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Ternoa
Decentralized TEE Network powered by SGX
infrastructureteeeth-layer-2defidata-management
Open project
MC
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Starshell
A privacy-preserving, free and open-source Web3 wallet built for the Secret Network and Cosmos ecosystem.
applicationswallets
Open project
EO
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MASQ
MASQ is a , dMeshVPN, web3-native privacy browser, dApp Store, protocol, and earning ecosystem that makes living in Web3 anonymous and private
infrastructureapplicationsinfrastructurevpnbrowser
Open project
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cheqd
cheqd is the Payment and Trust Infrastructure for Credentials and Verifiable AI. We enable the development of personalised AI, eID, digital credential businesses, and trust ecosystems. By enabling privacy-preserving payments for data, we incentivise its release from siloes, unlocking limitless data combinations to create new user experiences and personalised AI solutions.
applicationsinfrastructuredappsdefiinfrastructuredid
Open project
ES
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Kusama Shield
Kusama shield is a shielded asset pool born from the Kusama DAO. Bridge your asset to Kusama and shield it now
defiapplicationsdappsrpc-providermixing-managementmixing-service
Open project
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Liberdus
Liberdus is a decentralized messaging network implemented as a layer-one blockchain, designed to provide secure, censorship-resistant digital communication without reliance on centralized servers or trusted intermediaries. Rather than treating messages as off-chain data managed by application providers, Liberdus models messages as cryptographically secured transactions that are validated and recorded by a decentralized network of nodes. This approach allows message delivery, access control, and spam resistance to be enforced through protocol rules and consensus rather than platform moderation. The network combines cryptographic security, economic mechanisms, and decentralized governance to create a communication system where privacy, availability, and rule enforcement are determined by transparent protocol logic rather than centralized infrastructure operators.
social-and-communicationsmessaginginfrastructurewalletsdao
Open project
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rolod0x
rolod0x is a free privacy-preserving address book which gives you a much smoother experience when browsing sites onchain. Instead of having to keep track of long hexadecimal addresses, simply right-click an address and give it a memorable label. Now when you go to any web page, the extension automatically replaces that address wherever it appears with the label you provided. This makes understanding onchain activity way easier, and it works on any website and any blockchain. You can also quickly look up any address by pressing a hotkey, and then just type part of what you're looking for.
applicationsdefiinfrastructurebrowserdapps
Open project
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Beldex
A privacy currency based on Monero, Beldex currently offers incentive-based Master Nodes and runs on the POS consensus. It supports a suite of decentralized, privacy-first applications like BChat messenger, BelNet dVPN, Beldex Browser and the Beldex Name Service
deficurrencydefivpnbrowser
Open project
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Sidekick
Sidekick is a new companion app that you can install on a secondary phone to authorize access to your Monero wallets in Monerujo. That way, as long as you keep that phone offline, it works as a do-it-yourself Bluetooth-powered hardware wallet.
applicationswallets
Open project
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iExec
iExec provides privacy tools that bring privacy-preserving computation, data governance, and trusted execution to your apps, powered by a decentralized network of TEE-based compute.
infrastructureinfrastructureaiteedefi
Open project
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Shade Protocol
Super app for private DeFi
defidefi
Open project
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ZKForge
ZKForge is built using zero-knowledge STARK technology to enable fully encrypted communication and decentralized authentication. We focus on privacy-first infrastructure where no private keys or user secrets are ever stored or transmitted. Our core technology stack includes zk-STARK proofs for authentication, Solana wallet integration for non-custodial identity, and end-to-end encryption for every message and transaction. Each session and interaction is cryptographically verified on-chain and off-chain, ensuring that users maintain complete control over their data. What makes ZKForge special is its ability to combine the scalability of modern Web3 frameworks with zero-knowledge privacy. Users can log in, chat, or send funds without revealing any sensitive information. It’s not just a secure app—it’s a proof-based communication layer built for the next era of privacy in blockchain. Users should choose ZKForge because it provides real privacy, transparent security, and verifiable protection. It’s an ecosystem designed for those who want to stay encrypted, own their data, and interact safely in the decentralized world.
infrastructureapplicationssocial-and-communicationsdefiwalletsdeficurrencyinfrastructure
Open project
EO
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Swarm
Go fullstack web3: Swarm completes the vision of consensual computation, decentralised infrastructure, and private messaging, powering open, serverless, and permissionless dapps.
infrastructurestoragemessaginginfrastructure
Open project
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Mina
The world’s lightest blockchain, powered by participants. Using zero knowledge technology
infrastructureinfrastructure
Open project
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Massa Network
Massa is the L1 blockchain striving to be the Host for Internet Freedom. Thanks to its infrastructure layer for contract automation, hack & censorship frontends and parralel block technology Massa allows projects and users to stay autonomous and safe.
infrastructuredefideficurrencyinfrastructurenft-community
Open project
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Handshake
Handshake is a decentralized, permissionless naming protocol where every peer is validating and in charge of managing the root DNS naming zone with the goal of creating an alternative to existing Certificate Authorities and naming systems.
infrastructuresocial-and-communicationsinfrastructure
Open project
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Aleo
Aleo is redefining the future of finance as the first Layer-1 blockchain engineered for end-to-end encrypted payments at scale. We enable builders to revolutionize financial applications from DEXs to lending to global payments — all while guaranteeing privacy through ZK. On Aleo, you can build privacy-preserving, decentralized, full-stack applications.
infrastructureinfrastructuredeficurrencybridge
Open project
EM
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Ambire Wallet
The Web3 wallet for the wider Ethereum ecosystem. Forked by Kohaku, currently focused on privacy and interoperability.
applicationsinfrastructurewalletsdefiinfrastructuredao
Open project
MB
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Cake Wallet
Cake Wallet allows you to safely store, send, receive, and exchange your XMR, BTC, LTC, ETH, SOL, WOW, and exchange other currencies. All your favorite crypto in one wallet, with the best privacy for every chain.
applicationswallets
Open project
ES
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Aleph Cloud
Aleph Cloud is a supercloud (commonly a DePIN), relying on hundreds of distributed nodes across the globe which offers developers access to storage, databases, compute, and AI. It ensures operational resilience for applications, particularly in DeFi, AI and Gaming industries. Since 2020, its marketplace has provided scalable, high-performance Instances and Micro-Virtual Machines resources on several networks such as Ethereum (and its L2s), Solana, BNB Chain, Avalanche, Cosmos or Tezos.
infrastructureteecomputingstorageai
Open project
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Neptune
Neptune Cash is a Layer-1 peer-to-peer anonymous cash protocol featuring privacy, scalability, and post-quantum security. Neptune is a peer-to-peer anonymous cash protocol featuring privacy, scalability, and post-quantum security. It is the first blockchain protocol to feature mutator sets, a novel solution for achieving privacy without sacrificing scalability. As a cherry on top, Neptune also supports arbitrary logic; together with privacy, this support makes Neptune a private smart contract platform in addition to a competitor for the world's best possible money.
infrastructurecurrencydefiinfrastructure
Open project
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Lit
Lit is a decentralized key management network providing programmable accounts and encryption tools for developers building agents and protocols. The protocol runs programmable MPC TSS within a network for TEEs
infrastructureinfrastructurempcwalletscomputing
Open project
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Vocdoni
To build open source solutions to facilitate decision making in any organization.
applicationsdapps
Open project
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Tari
Tari is a revolutionary blockchain protocol powered by you. Proof of work. Default confidential.
infrastructurecurrency
Open project
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Web3PrivacyNow
We are a think-and-Do tank of hundreds of people, projects, and organizations committed to protecting and advancing civil liberties, decentralization, and open-source software. The ecosystem is a catalyst for change: we facilitate cross-stack and cross-community collaboration with a poly-disciplinary approach to drive meaningful impact.
social-and-communicationsothereventsresearch-and-development
Open project
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zkSafe
zkSafe is a tool that enables better privacy for Safe multisig signing. Using zkSafe, Safe owners can collectively sign transactions without revealing who has signed the transaction. Privacy-forward crypto organizations, foundations, DAOs, and funds requiring robust security controls for asset management will find zkSafe valuable.
infrastructurewalletsinfrastructuredaodapps
Open project
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eigenwallet
Exchange Bitcoin for Monero peer-to-peer, trustlessly, securely, without risk, reliably, and freely. Powered by atomic swaps. Zero trust required. No middlemen. Pure peer-to-peer exchange through the Tor network. Complete privacy. Built by the community, for everyone eigenwallet is a protocol and desktop application. When you run the app, you can connect to and swap with different makers. Makers are users who run the UnstoppableSwap protocol on their own computer or server to provide liquidity. They buy your Bitcoin and in return give you Monero. Each maker can set their own prices and fees. Formerly unstoppable swap.
infrastructureapplicationsinfrastructurebridge
Open project
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Vector Privacy
Vector Privacy is an open-source ecosystem that is focused on ensuring the human right to privacy through encrypted communication tools. Vector Messenger is a decentralized communication platform built on the Nostr Protocol, offering no-compromise encryption with zero metadata leakage and plausible deniability for all content, including texts, media, voice notes, and files, adhering to the NIP-17 standard. It natively integrates BIP-39, allowing every Vector account to function as a crypto wallet and vice versa, streamlining tasks like address sharing and payments through compatibility with native wallets like MPW. Vector leverages local, private, device-powered AI to provide practical features such as voice message transcription, language translation, and meme gif search via a decentralized relay-based index. Its resilience is ensured by community-run Nostr relays, eliminating downtime, and its fully open-source codebase—from infrastructure to protocol specs—avoids proprietary lock-in, making it unkillable and transparent. Open-source technology developed by Formless Labs.
applicationssocial-and-communicationsdappsmessaging
Open project
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Beldex-browser
An ad-free, decentralized browser with built-in VPN for truly private browsing
infrastructureapplicationsinfrastructurevpnbrowser
Open project
ME
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Sunscreen
Sunscreen is a cryptography R&D lab turning frontier privacy technology research into production-ready tooling and infrastructure. Their foundational technology is Fully Homomorphic Encryption (FHE), a post-quantum secure cryptography technique which allows them to perform arbitrary computations directly on encrypted data.
applicationsinfrastructureinfrastructurefhecomputingmpc
Open project
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Belnet
BelNet is an encrypted connection to the device and network through the internet.
infrastructureapplicationsinfrastructurevpnbrowser
Open project
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Pavy
the first self-sovereign bank, built on a privacy blockchain with stablecoins.
wallets
Open project
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Primus-Labs
Primus (formerly "PADO") is a decentralized verification and computation network based on advanced cryptography like zkTLS and zkFHE
applicationsdata-managementdapps
Open project
ES
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Gateway
Gateway is an integrated protocol to encrypt, store, manage, and compute private data.
infrastructurestoragecomputingdidmpc
Open project
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ETHBerlin
a hackathon, a cultural festival, an educational event, a platform for hacktivism, and a community initiative to push the decentralized ecosystem forward.
social-and-communicationsevents
Open project
E
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Enclave
Enclave is an open-source protocol for Encrypted Execution Environments (E3s). E3s enable secure, private, and verifiable computations on multiple inputs of encrypted data, using programmable cryptography (FHE, ZKPs, and MPC) and blockchain. As a complement to or alternative for TEEs, E3s unlock use cases like secret voting, sealed-bid auctions, and confidential data pools.
infrastructureapplicationsfhedata-managementteempc
Open project
OE
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Anyone
Anyone is building the largest internet-routing DePIN in the world: a modular privacy layer for any application to use seamlessly. The protocol is centred around its DePIN privacy layer - a traffic-routing network where all traffic is forwarded through multi-hop VPN tunnels.
infrastructurehardwareinfrastructurehardwarevpn
Open project
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Fairblock Network
Fairblock is a purpose built confidentiality layer for open finance.
infrastructuredefiapplicationsdefiwalletseth-layer-2bridge
Open project
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MagicBlock
MagicBlock is a real-time engine seamlessly integrated with Solana. It provides ultra-low latency, on-demand runtimes, and elastic scalability for fully onchain applications. Built for developers, MagicBlock delivers an unmatched combination of speed, composability, and scalability, ensuring that decentralized applications can achieve Web2-level performance without sacrificing the benefits of Web3. With cutting-edge ephemeral rollup technology, MagicBlock enables zero-latency, high-throughput transactions, empowering builders to create the next generation of onchain experiences across gaming, DeFi, and beyond.
infrastructureinfrastructure
Open project
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Zano
Zano is an open-source cryptocurrency and ecosystem with enterprise-grade privacy, security, and scalability that operates as a robust foundation for confidential assets and decentralised applications (dApps).
defiinfrastructureapplicationscurrencydefiwalletsinfrastructure
Open project
O
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CipherPay
CipherPay is a non-custodial Zcash payment processor built on shielded (Orchard) transactions. Every invoice gets a unique diversified address derived from the merchant's incoming viewing key, funds go directly to their wallet, CipherPay never holds or sees spending keys. Features: - Shopify and WooCommerce plugins - Standalone checkout page and REST API - Event ticketing with capacity management - x402 and MPP protocol support for API paywalls - MCP integration for AI agent payments - Real-time payment detection via trial decryption - 1% per transaction, no monthly fees Built in Rust. Fully open source. Shielded by default,both sides of every transaction stay private.
infrastructureapplicationscurrencyaidapps
Open project
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NYM
Nym protects communication patterns, IP addresses and metadata for end-users, enterprise and infrastructure operators
infrastructureinfrastructure
Open project
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Privy
Privy builds authentication, authorization and data control tooling so developers can deliver amazing products that keep users safe.
applicationswallets
Open project
EM
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Rehide
Rehide is a web3-powered, self-custodial password manager that combines zero-knowledge encryption with innovative tools for managing and sharing sensitive data. From securing passwords to monetizing content, Rehide is transforming how users control, protect and profit from their data.
applicationsmessagingstoragedappsnft-community
Open project
OS
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Arcium
Arcium introduces a decentralized, global supercomputer that revolutionizes the internet by enabling the secure execution of any computation on fully encrypted data. Our technology creates a paradigm shift in how we approach computing and trustless interactions, allowing users to protect everything while computing anything.
infrastructureinfrastructurecomputingmpcdefi
Open project
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TEN Protocol
The only layer 2 solution for Ethereum that brings programmable cryptography and scale using Trusted Execution Environments (TEEs). TEN allows developers to build next-generation DeFi, AI, Gaming and Institutional solutions on Ethereum.
infrastructureeth-layer-2infrastructuredefiai
Open project
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Penumbra
Penumbra is a fully private, proof-of-stake network and decentralized exchange built on the Cosmos technical stack, utilizing the CometBFT consensus engine and the IBC interoperability protocol. It enables end-to-end encrypted transactions for staking, swapping, market making, and acting as a shielded pool for the IBC ecosystem and beyond.
infrastructuredefiinfrastructuredefiwalletscurrency

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