Cool Cats FC Integrates Chainlink VRF to Help Distribute Rewards Fairly

Cool Cats FC x Chainlink VRF Integration

The Benefits of Integrating Chainlink VRF

In order to randomize the distribution of Cool Cats FC rewards, we need access to a secure random number generator (RNG) that any user can independently audit. However, RNG solutions for smart contracts require several security considerations to prevent manipulation and ensure system integrity. For instance, RNG solutions derived from blockchain data like block hashes can be exploited by miners/validators, while off-chain RNG solutions derived from off-chain APIs are opaque and often do not provide users with definitive proof in the integrity of the process.

How Does It Work?

Chainlink VRF works by combining block data, which is still unknown at the time an initial request is made, with the oracle node’s pre-committed private key to generate both a random number and cryptographic proof. The Cool Cats FC smart contract will only accept the random number input if it includes valid cryptographic proof, which can only be generated if the VRF process is tamper-proof. This provides users with automated and verifiable assurances directly on-chain to demonstrate the randomness underpinning our rewards distribution process, proving fair and untampered selection by the oracle, outside entities, or the Cool Cats FC team.

Chainlink VRF process for smart contracts

About Chainlink

Chainlink is the industry-standard Web3 services platform that has enabled trillions of dollars in transaction volume across DeFi, insurance, gaming, NFTs, and other major industries. As the leading decentralized oracle network, Chainlink enables developers to build feature-rich Web3 applications with seamless access to real-world data and off-chain computation across any blockchain and provides global enterprises with a universal gateway to all blockchains.

About Cool Cats FC

Cool Cats FC (‘Football Club’) is a collection of 3,000 dynamic NFTs created by Cool Cats, Animoca Brands, and OneFootball Labs. Earn rewards and NFT upgrades for holding the best teams as they advance through the world’s largest football tournament.

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