HeyAnon
Allows noun-holders to give feedback on proposals while maintaining their privacy using zero-knowledge proofs
ApplicationsDao
Web3Privacy Projects List
There are challenges in finding crucial technical details and comparing various privacy-focused projects. To address this, we created a platform that standardizes and expands the current Web3Privacy ecosystem research.
Learn how to contributeState of Privacy
Railgun TVL$1.21M · 2026-07-05
+0.3% 30d
List of Privacy Projects
Hinkal
Hinkal is building infrastructure for invisible transactions that consists of: 1) Invisible wallet — enables any on-chain activity without exposing wallet data and the history of transactions. 2) dApp - a proxy for any wallet, enabling invisible transactions without changing wallets. 3) SDK for private payments 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.
DefiInfrastructureWalletsDapps
H
Holochain
Holochain is a protocol for local first truly distributed applications that have no servers. Holochain applications run on the users' computers. Because Holochain is a protocol there is no built in fee for data exchanges between Holochain nodes. Just like you don’t pay for using SMTP the email protocol. You just use it. Apps built on Holochain are infinitely scaleable. Each app brings its own resources, compute and storage, and then shares a bit of those resources for holographic back up across the network. Every Holochain app runs in a private encrypted network. Nobody except the users of that specific instance of the app even know it exists. Any hacker or government seeing the data stream would not know what it's for. Holochain is perfectly suited for DePIN projects beause it doesn't have the storage and computational overhead of blockchain. While at the same time Holochain apps can work with blockchain projects filling in the gaps where blockchain is lacking.
InfrastructureDefiCurrency
Holonym
ZK-identity protocol for anonymous KYC, sybil resistance, and compliance.
ApplicationsKyc Solution
H
Horizen
A privacy-first ecosystem on Base, delivering auditable confidentiality and regulatory-ready infrastructure for DeFi, data, and the new digital economy.
InfrastructureComputingDefi
HM
horizon messier
Innovating DeFi with a complete utility ecosystem of AI-powered solutions and decentralized services.
Defi
Houdini Swap
Transact across any blockchain with optional privacy.
ApplicationsMixing Service
H
human-passport
Passport XYZ is an identity verification application and Sybil resistance protocol. It enables users to collect verifiable credentials, or Stamps
ApplicationsDid
H
Humanode
1 Human = 1 Node = 1 Vote .Cryptobiometric Sybil-resistant layer for the web
ApplicationsDid
Hurricane Protocol
Hurricane Protocol
Defi
HW
hush wallet
Hush is a privacy-first Solana wallet. We built it because existing wallets expose your entire transaction history to the world — anyone can see your balance, track your purchases, and follow your activity across the blockchain. Hush handles privacy behind the scenes. You use it like a normal wallet — single balance view, send to addresses directly, swap tokens normally — while zero-knowledge proofs and a multi-wallet architecture keep your financial activity confidential.
ApplicationsWallets
HushChat
HushChat is a protocol which is a particular use case of HushList protocol and which sits on top of Hush Protocol, an improved Zcash Protocol
ApplicationsMessaging
H
Hydex
Hydex is a non‑custodial, privacy‑preserving bridge connecting the Zcash Orchard shielded pool to the Solana blockchain. It enables: Shielded ZEC deposits → Shielded Wrapped ZEC (sZEC) on Solana sZEC burns → Shielded ZEC withdrawals Hydex ensures: No deposit/withdrawal linkage No leakage of Zcash metadata No requirement to reveal view keys or spending keys
ApplicationsBridge
H
Hyli
Hyli is the new proof-powered L1 to build the next generation of apps. With Hyli, developers can build fast, composable, and verifiable apps without dealing with the usual pains of blockchain. On Hyli, instead of executing transactions onchain, you run your app logic anywhere off-chain, in Rust, Noir, or even multiple languages at once. You only need to send a proof for onchain settlement. With this model, your app benefits from the Web2 user experience and the security of Web3.
InfrastructureDapps
Hypersign
the ultimate stack for identity management
ApplicationsDid
Icebreaker
zero knowledge x self-sovereign identity
ApplicationsDid
IO
id OS
Open-source, composable and chain-agnostic decentralized storage and economy network to enable true decentralized identity across the internet. idOS (identity operating system) is a decentralized storage and access management network specifically designed to store user data.
ApplicationsInfrastructureDidOperating Systems