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Solidity PRIVACY Projects: 13+ Open-Source Examples

Browse 13+ open-source Solidity PRIVACY projects from ETHGlobal hackathons. Find production-ready code, learn from winning implementations, and discover inspiration for your next blockchain build.

Explore Solidity privacy contracts from ETHGlobal events. Discover mixer implementations, private voting systems, and ZK-proof verifiers with well-documented code.

Showing 13 projects sponsored by CELO.

Calary

Calary: Compliance toolkit empowering killer consumer dApps with on-chain payroll, swaps & rewards.

Soliditydefinftinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)🏆 Uniswap v4 Hook IntegrationsRunner Up (Uniswap Foundation)
ETHGlobal Taipei • 2025

Messiah

Following Messiah's guidance, revealing the code execution logic and safeguarding assets.

SolidityReactTypeScriptJavaScriptPythonprivacy
🏆 On - Chain Infrastructure Compliance Innovation (HashKey Chain)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Trusted-Jobs

Onchain job platform with Self Protocol-based compliance checks and escrowed smart contract rewards.

SolidityRustNext.jsNode.jsinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

knowledge king

Knowledge King is a knowledge game where player answers questions to earn on-chain rewards.

SolidityNext.jsnftgamingprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

MCPilot

Allow LLM to interact with blockchain through a secure crypto wallet

Soliditydefinftprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

VoteGuard

VoteGuard lets you prove your vote is valid without revealing who you are or what you chose.

SolidityRustNext.jsdaoinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

SaveFi

AI-powered DeFi savings with rewards for discipline and penalties for delays

SolidityTypeScriptNext.jsdefinftinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Token Voting

Launch custom ERC20 tokens and use them for decentralized governance on the blockchain

SolidityReactTypeScriptJavaScriptPostgreSQLNode.jsnftdaoprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Seedy

On-chain VDF verifier enabling trustless, tamper-resistant randomness on EVM.

SolidityTypeScriptNode.jsprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

BENS

ENS-based resolver for private, deterministic B2B wallet addresses

SolidityTypeScriptNext.jsprivacy
🏆 World Pool Prize (World)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

NameFlow

NameFlow is an AI-driven gateway for domain-based identity, seamlessly managing on-chain records.

SolidityReactRustNext.jsdefinftdaoinfrastructuregamingsocialprivacy
🏆 World Pool Prize (World)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

merhaba-wallet

merhaba-wallet boosts mass adoption of social recovery wallets with a practical, enhanced recovery mechanism.

Soliditysocialprivacy
🏆 Best dApp utilizing Account Abstraction or SocialConnect on Celo (CELO)🏆 Best use of Axiom for on - chain identity and reputation (Axiom)🏆 Most outstanding prizes using Hashi (Gnosis Chain)🏆 Deploy on Scroll (Scroll)
ETHGlobal Istanbul • 2024
Page 1 of 2 • Showing 12 of 13 projects