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Simple Lottery Vault is a decentralized lottery contract built on the Flow Testnet. It allows users to join by sending a small, fixed amount of cryptocurrency and randomly selects one winner who recei
The Scavenger Hunt NFT Game allows players to participate in a clue-based adventure managed by an admin. Players who successfully complete all the challenges are marked as winners.
A simple Solidity smart contract that logs every user interaction on the blockchain, storing the caller’s address, the current timestamp, and the block number.
A blockchain-based Time Capsule smart contract that securely locks messages or tokens until a specified future date, ensuring tamper-proof and time-locked access on the Ethereum network.
This DApp is a simple, decentralized Number Guessing Game smart contract deployed on the Flow EVM. Players can guess a secret number on-chain for a chance to win an ETH prize.
This project contains a fully on-chain NFT smart contract written in pure Solidity-style syntax (conceptual reference) — designed for AI-generated art with dynamic metadata, adapted for deployment on
Creating cross-platform NFTs with interoperable attributes
This contract serves as a decentralized personal savings vault for ETH. Each wallet address maintains its own internal balance. Funds can be deposited and withdrawn at any time — all directly on-c
最多ハッカソン優勝
Manobendra Mandal
Vivek Sahu
simp1e
最多プロジェクト構築
Abhishek Yadav
VERONIKA
Hendrix Iphonk