Solidity SOCIAL Projects: 945+ Open-Source Examples

Browse 945+ open-source Solidity SOCIAL projects from ETHGlobal hackathons. Find production-ready code, learn from winning implementations, and discover inspiration for your next blockchain build.

Find Solidity social contracts from ETHGlobal events. Explore on-chain profiles, reputation systems, and content ownership implementations with gas-optimized designs.

MyIP

A music IP security layer as an aditional proof of creation for IRL disputes over copyright

SolidityReactTypeScriptnftinfrastructuresocial

ETHGlobal Buenos Aires • 2025

Linda

Linda is a private and human first location-based social app that connects friends.

SolidityReactNode.jsinfrastructuresocialprivacy

🏆 Build with Oasis5th place (Oasis Protocol)🏆 Best Self onchain SDK integration2nd place (Self)

ETHGlobal Buenos Aires • 2025

The Social Pot

DeFi lottery with daily Pyth Entropy drawings and 10-year monthly vesting payouts.

SolidityReactNext.jsdefisocial

🏆 Pyth Entropy Pool Prize (Pyth Network)

ETHGlobal Buenos Aires • 2025

POOP

Proof of Onboarding Protocol: Send crypto gifts via email with human verification

SolidityTypeScriptNext.jsGraphQLPostgreSQLinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

Tanda

Enabling Rotating Savings and Credit Association on-chain with verified credit scoring

SolidityReactRustNext.jssocial

🏆 Best Use of Symbiotic Relay SDK4th place (Symbiotic)🏆 Best Mini AppHonorable Mention (World)

ETHGlobal Buenos Aires • 2025

Open Paymaster

Decentralized ERC-4337 paymaster enabling cross-chain gasless transactions via liquidity pools.

SolidityTypeScriptNext.jsdefinftinfrastructuresocial

🏆 Best use of the EIL SDK1st place (Ethereum Foundation)

ETHGlobal Buenos Aires • 2025

flare public goods

Funding public goods through DeFi yield on Flare. Deposit stablecoins, generate impact automatically

SolidityReactTypeScriptdefiinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

Meridian Foundation

Compliant DeFi access for banks through a secure, yield-earning flatcoin system.”

SolidityReactTypeScriptJavaScriptRustNext.jsdefinftinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

Voltz

Intelligent event connections using AI-powered verified matching on 0G Infrastructure

SolidityReactRustNext.jsPostgreSQLnftinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

GetSalt.sh

GetSalt.sh lets you mine, register, and deploy cross-chain vanity smart contract addresses.

SolidityReactTypeScriptRustNext.jsdaoinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

PrevDL

Privacy-preserving ad targeting using TEE. No data leaks. Full GDPR/LGPD compliance.

SolidityReactTypeScriptinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

gh0st.market

A privacy-first job network for verifiable web data collection

SolidityReactTypeScriptRustNext.jsdefinftinfrastructuresocialprivacy

ETHGlobal Buenos Aires • 2025

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