pr00f
Verifiable randomness for smart contracts on Robinhood Chain. Every fulfilled request is backed by a cryptographic proof checked onchain.
Coinlords / Randomness Service
Robinhood Chain Testnet
Random number generation for smart contracts
pr00f
Request randomness for onchain games, NFT reveals, and randomized allocations. Your consumer contract receives a result after its proof is verified onchain.
Cryptographic proof checked before fulfillment
Onchain Verification
Each randomness request is bound to a future drand beacon round. The Coordinator verifies its signature onchain before deriving and storing your random number.
Anyone can submit a valid proof
Open Fulfillment
Request fulfillment is permissionless. Our fulfiller, or any other caller, can submit the beacon signature. The contract checks the proof before accepting it.
Available on Robinhood Chain testnet
Start Building
Integrate a consumer contract, set a callback gas limit, and pay per request in ETH. No subscription required. Available on Robinhood Chain testnet.
Robinhood Chain / Testnet
Build with pr00f
Add verifiable randomness to your smart contract. Start with the integration overview, or follow a request to understand how pr00f verifies and delivers a result.