55+ PRIVACY Web3 Hackathon Projects

Looking for blockchain privacy blockchain project ideas? Our library of 55+ Web3 hackathon projects offers real-world implementations, code samples, and detailed case studies.

Showing 55 projects sponsored by ETHGlobal.

S.C.I

Secure Contract Interactions is an on-chain contract-to-domain verification protocol. It is used to verify the smart contract you're interacting with is validated by the domain owner and prevent scams or phishing attacks.

Next.jsinfrastructureprivacy

🏆 Best Public Goods2nd Place (Nouns DAO)🏆 🏆 ETHGlobal Istanbul 2023 Finalist (ETHGlobal)

ETHGlobal Istanbul • 2024

Sarma+EVM=ZKEVM,PEXC

Sarma: simple primitive to achieve private execution on EVM, even cross-chain.

privacy

🏆 🏊 Filecoin — Pool Prize (IPFS & Filecoin)🏆 Top 5 - Best App Built on Leo (Aleo)🏆 Pool Prize (Chiliz)🏆 Grand Prize (Aleo)🏆 Pool Prize (IPFS & Filecoin)🏆 Deploy your Dapp on Linea (MetaMask)🏆 Pool Prize (Arbitrum)🏆 Deploy on Scroll (Scroll)🏆 Best overall Noir application or library (Aztec)🏆 Cross - chain / LxLy Bridge implementation (Polygon)🏆 Best Neon EVM use case1st Place (Neon EVM)🏆 🏆 ETHGlobal Istanbul 2023 Finalist (ETHGlobal)

ETHGlobal Istanbul • 2024

ZKvote.cc

To address the challenges of cross-chain voting, our protocol integrates Voting tokens with standard ERC-20 via bridge, processes voting off-chain, and employs ZK proofs for secure L2 State transfer. This ensures compatibility with existing bridge architectures.

SolidityReactTypeScriptRustnftdaoinfrastructureprivacy

🏆 Launch MVP locally or on Testnet/Mainnet3rd Place (Cartesi)🏆 Pool Prize (Arbitrum)🏆 Deploy on Scroll (Scroll)🏆 Best on Scroll (Scroll)🏆 Best Use or Extension of Fathom Protocol1st Place (XDC Network)🏆 Innovate on Gnosis Chain (Gnosis Chain)🏆 🏆 ETHGlobal Istanbul 2023 Finalist (ETHGlobal)

ETHGlobal Istanbul • 2024

AidDistribute

AidDistribute is a mechanism to ensures a traceable and accountable channel for direct stablecoin transfers

nftsocialprivacy

🏆 Pool Prize (Arbitrum)🏆 Deploy on Scroll (Scroll)🏆 Innovate on Gnosis Chain (Gnosis Chain)🏆 Modularizoor3rd Place (Celestia)🏆 🏆 ETHGlobal Istanbul 2023 Finalist (ETHGlobal)

ETHGlobal Istanbul • 2024

TapTrust

TapTrust redefines event experiences with NFC & Ethereum's Account Abstraction, offering a unique, etherless way to engage. Each tap with your NFC chip signs transactions & maintains privacy with a fresh, anonymous address.

Rustdefiprivacy

🏆 Best HaLo Use3rd Place (Arx)🏆 Best use of Account Abstraction and Base Paymaster2nd Place (Base)🏆 🏆 ETHGlobal Istanbul 2023 Finalist (ETHGlobal)

ETHGlobal Istanbul • 2024

Lens & Frens

Just implemented zk-gating for events with onchain ticketing! 🚀 Now you can create zero-knowledge proofs to attend events without compromising privacy

Rustinfrastructuresocialprivacy