The announcement of Chainlink VRF (Verifiable Random Function) being available on the Ethereum mainnet highlights its role in providing secure and fair on-chain randomness for blockchain applications. Already utilized in various use cases, such as PoolTogether's random winner selection and Centaur's fair participant selection, Chainlink VRF addresses the challenges of unreliable and manipulable random number generation (RNG). By being open-source and easily integrable, it enhances the transparency and reliability of smart contracts that require randomness, from NFT creation to random event generation in games. This functionality expands the potential applications that blockchain developers can create, contributing to a more diverse and secure decentralized finance (DeFi) ecosystem. Developers interested in integrating Chainlink VRF can deploy contracts on testnets or mainnets and seek further guidance through Chainlink's official channels.