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 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
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 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. The contract features au
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
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EngageToken is a smart contract deployed on the Flow EVM Testnet that rewards users with tokens based on their social media engagement. Trusted verifiers calculate engagement metrics (likes, comments,
Creating cross-platform NFTs with interoperable attributes
just trying to vote to earn in contracr
A simple Ethereum smart contract for a weekly prize pool lottery where users enter by sending Ether, and a winner is selected once every week to receive the entire prize pool.
Implement a token with dynamic pricing based on volume, write this smart contract in Solidity, no imports and constructors, with no input fields
The contract logs interactions with timestamps, storing the address and time of each call to the logInteraction function. I
