Random Validator

Some challenges require randomness—for example, selecting winners among participants. For this, CryptoTrophy uses Chainlink VRF (Verifiable Random Function).

Chainlink VRF is a secure and verifiable random number generator (RNG) designed specifically for smart contracts. It allows blockchain applications to request random values in a way that is:

• Provably Fair: Every random value comes with a cryptographic proof that demonstrates exactly how it was generated.
• Verifiable: This proof is published and verified on-chain before any consuming application can use the random value.
• Tamper-Proof: No one—including oracle operators, miners, users, or smart contract developers—can manipulate or predict the outcome.

For each request, Chainlink VRF generates one or more random values together with a cryptographic proof. This process ensures the integrity and unpredictability of the results, providing strong security guarantees for applications that depend on randomness.

With Chainlink VRF, you can confidently implement lotteries, raffles, randomized prize selection, and more—knowing your randomness is secure and fully verifiable.

For more information, see the Chainlink VRF documentation.