Tag
#hackathon
459 repositories
Repos
This repo is dedicated to Concordium Incentivized Testnet3.
A blockchain-based Product Ownership Management System for anti-counterfeits in the Post Supply Chain.
Open Source wallet and toolbox for Solana builders 🏟 Cypherpunk Hackathon winner
This is an arbitrage bot that uses existing price aggregators such as 1inch, Paraswap, dex.ag, matcha and more to get the best exchange rates across different decentralized exchanges on different blockchains and ecosystems.
⏰💰🤠 Set-it-and-forget-it token subscriptions on the Ethereum mainnet. #Winner #WyoHackathon
Flow Improvement Proposal (FLIP) Fest. Backlog of tasks for contributors to ship against Flow FLIPs and community bounties
JunoHack - Incentivized smart contract challenge on the Juno testnet/mainnet.
An algorithmic trading bot which executes trades using multiple strategies. This was a solution for the Spark Blockchain Hackathon's Luno trading challenge
A project for Cambridge Hackathon 2018. It uses blockchain technology and IPFS for file sharing between medical services.
Social impact bond implemented on Ethereum
Recurring payments on Ethereum
A modular toolkit for building, deploying, and interacting with smart contracts on BNB Chain. Includes utilities for BEP-20 tokens, DeFi integrations, wallet management, and cross-chain bridging. Built by Sperax team for BNB Chain Hackathon.
A development environment, testing framework, and origination pipeline focused solely on Tezos
IDO launchpad built for DeFi & Cross-Chain Interoperability Hackathon.
A dApp for seamless crypto-to-fiat conversion, developed for the Onchain Summer Buildathon.
NFT 2D to 3D generator. Make your own 3D models to be used as game avatars.
A notarized document signing solution backed by proofs on Ethereum and IPFS. Finalist of EthGlobal's #HackFS 2020 Hackthon 🏆
Decentralized Platform to store Medical History, Runner Up in KardiaChain Pioneer hackathon
PotBot v2 - Group trading vaults on Solana. Collective POT management, governance, DeFi yield, Tamagotchi NFTs & POT Duels. Built for Solana Frontier 2026.
ChatterPay: A wallet for WhatsApp that integrates AI and Account Abstraction, enabling any user to easily and securely use blockchain without technical knowledge.
A command-line interface (CLI) tool designed to streamline the development process for Polkadot-based decentralized applications (dApps).
[Hackathon Blockbuilder Winner] Decentralized energy credit commerce on the Ethereum Blockchain.
A Web3 project that's supported by Supabase storage and database.⚡️🪙⚡️
Simple JavaScript and Python scripts to interact with the XRP Ledger (XRPL), enabling wallet generation, trustline approval, Escrow, MPT, transactions, AMM interactions... 🔧
The official SolGlow submission to the Star Atlas Solana Hackathon
A fun place for builders to meet, and learn to make ⚡️ lightning applications.
Privacy Idea Generator - generate ideas for new projects or hackathon submissions curated by the W3PN community and experts
Smart Contracts for Schneider Electric (using OraclizeAPI)
Telegram dapp to utilize telegram wallet connection to Moon passport with abillity to create a cyberlinks
Mar 2021 ETHGlobal NFTHack Hackathon Project. You can 1. deposit NFTs to take out loans, 2. deposit ETH as a liquidity provider to earn interest, and 3. participate in exclusive blue-chip NFT auctions. Frontend design & development by Fionna. Solidity smart contracts by Diana.
Winner @ NexHacks, Risk free polymarket predictions powered by yield protocols on Solana
Join this code challenge and win up to $20,000 from a total prize pool of $50,000!
Grant açarak foncuları ve üretici kurumsal firmaları kullanıcılarla buluşturarak Regenerative Finance'a katkı sağlamak amacı ile ReFi Avalanche x Akbank 2022 Hackathon Projesi.
CropSync is a user-friendly website designed to assist farmers in selecting the right crops for their fields and providing essential information throughout the farming process.
🌳 Application for ♻️reduce plastic problem on 🌎Earth, dedicated to 👨🏼💻Near Hackathon. Made with 🔗NEAR smart-contracts and 💻Angular
On-chain spending policies for AI agent wallets. 14 testnets + 2 mainnets. 4 audits. ASP-1 spec.
GBEC Hackathon Malaysia 2018 submissions
AI-powered DeFi assistant on StarkNet (2nd place in the Starkware Track at the AI Encode London 2025 Hackathon)
ETH Hangzhou & ETH HongKong 2023 活动作品｜基于Starknet Dojo的全链游戏开发｜#黑客松｜@Web3-Club
Gitcoin Bounty - Open Defi Hackathon Submission for Parallel Swap in Ref Finance on Near.
Whistle - A blockchain based decentralised app for Whistleblowers developed as a part of EthIndia 2018 Hackathon at Bangaluru, India to empower individuals and whistleblowers who are living under a constant fear of death, using the Smart Contracts, NuCypher MockNet to store encrypted data on the blockchain using heartbeat function.
A betting platform designed for ETHGlobal attendees to predict hackathon finalists using showcase data, with seamless onboarding through NFC wristband sign-ins
Chainlink Hackathon project 2022 -- Adaptive Market Maker
Repository for Conflux bounties for hackathons, bounties, etc on Gitcoin
NFT-based credentialing system | created for LFGrow '22 Hackathon
Decentralized multiplayer UNO game built Cross-chain for scaling ethereum
IoT project for an autonomous entity solar charger - SolETHer - Blockchain RS Components London IoT hackathon winner
Gate any app with arbitrary on-chain activity! https://ethglobal.com/showcase/gaas-exadm
VEGA ETHDenver 2022 Launchpad: Hackathon support, videos and detailed bounty challenge briefs to help you on your way!
IOTA Public Transportation Demo for BOSCH Connected World Hackathon
🥇 Winner of Reef Payment API in DeFi & Cross-chain Interoperability Hackathon
🏆 Hackin'Dau 2024 - Project named "Hello SunChain" made for the HackIn Dau Blockchain dApp Hackathon in Paris.
Vaultacks lets users store files off-chain on Gaia. Files are encrypted by default but also can be made public and shared
Hack the North 2021 Winner 🏆 Decentralized intelligent voting application.
Road to Dev Con: Labs Relay - Reinventing the Online News Economy
Solution for AI Action Summit Hackathon 2025 | Intelligent AI agent on emergency lines to assist call center operators, optimize waiting times, and provide immediate responses to urgent situations.
Stellaroid Earn — On-chain credential registry and payment rail on Stellar. Issue, verify, and pay bootcamp graduates with Soroban + Freighter.
A decentralized event management and ticketing application built with Solana
A Decentralized Quiz Application on Solana, Powered by Rust for Secure and Scalable Knowledge Sharing
Tutorial: How to build a backend for a DEX and use it on the frontend
Chrome extension and cosmos sdk module for Hackatom Seoul 2019 https://www.buidl.asia/hackatom
A decentralized IP management system - trademarks, copyrights, patents - powered by FileCoin data DAOs - NFT utility | 🏆 Won FileCoin FVM Jetpack 🚀 Prize
dareshare repo for the blockchained mobility hackathon
CertiFi - Academic Credentialing Solution powered by IPFS and Tron Blockchain (Shasta Testnet) developed as part of Tron Hackathon 2022 Season 2 and won the hackathon
Our winning nChain Hackathon submission
Bookie, a resource booking module (Feb 2022 Holochain Hackathon)
PreStake is a mobile app that lets users simulate NEAR Protocol staking operations in a risk-free environment. Built with Flutter and Firebase, it features real-time portfolio tracking, reward calculations, and complete stake management
UnseenCare is a revolutionary healthcare application that leverages cutting-edge Artificial Intelligence and Blockchain Technology to provide comprehensive care solutions for individuals with neurological and speech-related conditions. Our platform ensures maximum data security while delivering personalized, intelligent healthcare assistance.
The Credibility Layer for AI Agents. Built on ERC-8004. Cred scores, soul locking, handshake registry, trust evaluation pipeline. Live on Base.
MEV victim identification and reparation system using ERC-721 tokens and Uniswap v4 hooks on Scroll. ETH NYC 2023 hackathon.