EVM compatible Dapp built with React/Hardhat/Chainlink-VRF2 => Flip a coin to double your ETH!

Lottery smart contract application with brownie framework

Zero Knowledge Verifiable Random Function - zkVRF for EVM blockchains

Smart contracts architecture with decentralized oracles, ECDSA and soulbounds.

This is a Smart contract based on Chinese Lottery with VRF integration

Chainlink's Oracle Verifiable Random Function (VRF) to provide secure and verifiable random numbers, crucial for decentralized applications needing randomness, such as in gaming or lotteries

Smart contract that allows for entry into a lottery and a winner is selected randomly there after closed and the restarts.

Hardhat smart contract lottery which uses VRF coordinator and chain-link automation

Реализация Лоттереи на "Смарт-контрактах" с генерацией рандомного числа в блокчейне и переводом валют. Unit + Integration тестирование.

This is a lottery smart contract using real random number provided by Chainlink VRFCoordinator

This project is my implementation of lottery game what relies on random numbers generated and provided by chainlink VRF. The lottery is fully customizable, the reward, minimum participation cost and time of participation phase are being set by deployer.

Raffle is a decentralized application that allows users to participate in a raffle and randomly selects a winner. The contract utilizes Chainlink VRF (Verifiable Random Function) for secure random number generation, ensuring fairness in the selection process.

Lesson 9 of 32 hours course about Web3 fullstack by freecodecamp

Foundry Smart Contract Lottery August 2023

BOTV Skulls : Bufalo's NFT Collection, with ERC20 rewards for holders.

A dog nft, can be minted by anyone and one of the dogs will be randomly assigned to the person randomly using VRF2.5