Bienvenido al repositorio central para acceder a todos los proyectos anteriores de nuestros diversos hackatones.
The Blockchain Certificate Issuer is a decentralized application (DApp) built on the Ethereum blockchain that allows educational institutions to issue, store, and verify certificates in a secure and t
🧮 Counter Smart Contract — Project Info The Counter Smart Contract is a simple yet powerful Solidity project that demonstrates the fundamentals of blockchain programming.
GreenCarbon is a decentralized carbon credit trading platform built using Solidity and deployed on the CORE Testnet. It enables certified environmental organizations to issue, transfer, and retire car
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💰 Smart Donation Contract A simple, secure Ethereum smart contract that allows anyone to donate ETH while only the contract owner can withdraw the funds. 📋 Overview This Solidity smart contract pro
Solidity contract for a simple voting DApp that will work on any EVM-compatible chain (including Flow EVM testnet). I also included a README with step-by-step instructions for Remix and Hardhat deploy
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A secure, transparent, and feature-rich blockchain voting system built with Solidity. Supports both weighted and quadratic voting mechanisms with vote delegation capabilities.
The SkillEndorsement contract is a **decentralized reputation system** built on blockchain technology that enables users to endorse each other's skills in a transparent and immutable way. This smart c
This smart contract locks a single ERC-721 (NFT) token in escrow and mints a corresponding supply of fungible ERC-20 tokens. This allows multiple people to own a fraction of the same valuable asset, w
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On-chain voting contract: owner creates proposals, users vote once each. Transparent, immutable, permissionless. Tracks votes, prevents duplicates. Deploys on Flow EVM Testnet. Open-sou
