Oracles & VRF
Available on Mainnet and Testnet
Redstone
Redstone is a modular oracle network that provides secure price feeds for blockchain protocols.
The following price feeds are provided by Redstone on Citrea Mainnet: BTC/USD, USDC/USD, USDT/USD, aUSD/USD.
You can find the contract addresses & feeds on the Redstone documentation for mainnet and for testnet.
Available on Testnet
Stork
Stork provides real-time price feeds using a pull-oracle model. It allows developers to fetch the latest price data on demand, ensuring they always have access to the most current information.
You can check the Stork documentation here to kickstart your development. Stork contracts deployed on Citrea Testnet are at the following address: 0x266795f5A45AEc26aBF7E1c923dC15Cbb1A4Ed96
Supra dVRF
Supra dVRF delivers randomness that’s:
Low-latency
Tamper-proof (via threshold signatures + secret sharing)
Unbiased + unpredictable (based on blockhash, nonce & user input)
Verifiable on-chain with cryptographic proof
You can find the documentation for Supra dVRF here and the contracts deployed on Citrea Testnet at the following addresses:
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