PRIVACY Projects: 3969+ Blockchain Examples

Browse 3969+ open-source blockchain PRIVACY projects from ETHGlobal hackathons. Find production-ready code, learn from winning implementations, and discover inspiration for your next blockchain build.

Privacy-focused projects use blockchain technology to enhance user privacy and data protection, often through zero-knowledge proofs, encryption, and other cryptographic techniques.

Showing 3969 projects in the privacy category.

zkEnc

Witness encryption made practical: encrypt with statements, decrypt with proofs—using Circom.

TypeScriptJavaScriptRustNode.jsprivacy

ETHOnline 2025 • 2025

ZakoBox/ZakoPako

All-in-one, on-chain, DAO-based and GitHub-integrated fundraising toolkit for open-source dev teams

SolidityReactTypeScriptGraphQLPostgreSQLdefinftdaoinfrastructuregamingsocialprivacy

ETHOnline 2025 • 2025

OPENWAVE

Empowering open-source innovation with crypto bounties for every meaningful contribution.

SolidityReactTypeScriptRustNext.jsdefinftdaoinfrastructuresocialprivacy

ETHOnline 2025 • 2025

QuantumVerse

Multi-reality gaming metaverse on Hedera with quantum-secure physics NFTs & AI entities

Reactnftgamingprivacy

ETHOnline 2025 • 2025

A3A Protocol

A3A Protocol: secure daily AI-to-AI communication & payments under Web3 for Fiducia Agents

SolidityPythonRustinfrastructureprivacy

ETHOnline 2025 • 2025

Aegis

AI Automated Yield Hunter! Easy, Professional, Secure, Personalized. Understands you, serves you.

defiinfrastructureprivacy

ETHOnline 2025 • 2025

StakeVault

Earn 5% APR on staked ETH with instant withdrawals - built with Hardhat v3 for secure DeFi staking.

SolidityTypeScriptRustNode.jsdefiinfrastructureprivacy

ETHOnline 2025 • 2025

Nexa Wallet

Seamless Web3 wallet: AI assistant, gasless ETH/ERC-20 swaps, real-time prices.

TypeScriptNext.jsdefinftprivacy

ETHOnline 2025 • 2025

Lazy-Foundry

A workflow tool for foundry to ease the use of foundry and to give it a TUI view

privacy

ETHOnline 2025 • 2025

Cornerstone

Cornerstone: Tokenizing Debt on Pre-Construction Real Estate

definftinfrastructureprivacy

ETHOnline 2025 • 2025

reCEPTION

AI-Powered Web3 Security, Revolutionizing Smart Contract Verification

Rustnftinfrastructureprivacy

ETHOnline 2025 • 2025

BugChan

Bugchan, trustless bug bounties powered by smart contracts, encryption, and reputation.

SolidityReactTypeScriptNext.jsprivacy

🏆 Best use of Autoscout self - service explorer launchpad2nd place (Blockscout)

ETHOnline 2025 • 2025

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