Bienvenido al repositorio central para acceder a todos los proyectos anteriores de nuestros diversos hackatones.
This Solidity smart contract, RandomWinner, allows participants to enter by sending a fixed entry fee (0.01 ETH). Once joined, a function can be called to randomly select a winner from the participant
This contract allows NFTs to be created automatically, without needing user input. Each NFT has a unique identifier and metadata. It is simple, efficient, and works without imports or extra dependenci
EngageChain
A simple lottery is a game of chance where participants buy tickets, and winners are randomly chosen. It is used for entertainment, fundraising, and promotions, offering equal chances to win cash
Limited Time Auction
DynamicNFT: The Future of AI-Generated Art on Blockchain DynamicNFT revolutionizes the NFT space by combining AI-generated art with blockchain technology, offering dynamic metadata updates.
This project presents a blockchain-based engagement tracker that records user activity and rewards them accordingly. Built as a Solidity smart contract, it ensures transparency, immutability, and fair
EngageChain
"Secure your Ethereum with Savings Vault – a reliable, smart contract-based vault designed for effortless deposits and safe withdrawals."
This Solidity smart contract, RandomWinner, allows participants to enter by sending a fixed entry fee (0.01 ETH). Once joined, a function can be called to randomly select a winner from the participant
The Saving Vault smart contract allows users to securely deposit and withdraw ETH. It maintains a balance mapping for each user and ensures that funds can only be withdrawn by their respective owners.
The **Community Voting Booth** is a simple Ethereum smart contract that enables users to vote for two options (e.g., "Yes" or "No"). It ensures each address votes only once, tracks vote counts, and al
