PRIVACY Projects: 4060+ Blockchain Examples

Browse 4060+ 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.

Aegis

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

defiinfrastructureprivacy

ETHOnline 2025 • 2025

LayerX

TPM-backed multisig wallet enabling one-click secure transactions via Envio

ReactRustGraphQLdefidaoinfrastructureprivacy

ETHOnline 2025 • 2025

Orion

Making real assets liquid, compliant, and accessible, the stock market for the real world.

SolidityReactTypeScriptNode.jsnftinfrastructureprivacy

ETHOnline 2025 • 2025

GreenChain

Track emissions, auto-buy & retire carbon tokens via PYUSD with private, auditable ESG data.

SolidityTypeScriptPythonNext.jsdefinftinfrastructureprivacy

ETHOnline 2025 • 2025

Continuum

Blockchain powered chain-of-custody platform that secures both digital and physical evidence.

Soliditydefiinfrastructuregamingsocialprivacy

ETHOnline 2025 • 2025

StreamFlow

StreamFlow: Ditch subscriptions ! Pay for videos per watch-second with streaming USDC !!

Reactdefiinfrastructuregamingprivacy

🏆 Yellow Prize Pool1st place (Yellow)

ETHOnline 2025 • 2025

Chainless

Privacy-first multi-chain wallet with stealth addresses and unified balances across 13+ blockchains.

ReactTypeScriptGraphQLdefinftinfrastructuregamingprivacy

ETHOnline 2025 • 2025

touchgrass

touchgrass: Run, capture territories, earn datacoins for real-world data using Yellow statechannels.

Next.jsnftgamingprivacy

🏆 Yellow Prize Pool3rd place (Yellow)

ETHOnline 2025 • 2025

Pocket

Pocket: A delegated wallet for juniors and seniors. Easier onboarding for everyone.

SolidityReactNext.jsNode.jsgamingprivacy

ETHOnline 2025 • 2025

PullQuestAI

PullQuest: Incentivize open source contributions with blockchain rewards. Earn XP and HBAR bounties.

SolidityReactTypeScriptnftinfrastructuregamingsocialprivacy

ETHOnline 2025 • 2025

Kronos

KRONOS: AI assistant tracking wallet activity & verifying on-chain quests with instant rewards

ReactTypeScriptRustdefinftprivacy

ETHOnline 2025 • 2025

ChainGuard

AI-powered smart contract security monitor using Blockscout Autoscout, SDK & MCP

SolidityReactTypeScriptNext.jsinfrastructuresocialprivacy

ETHOnline 2025 • 2025

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