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.

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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

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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:

• Router: 0xDF666c76E859D6541FF17E1C6c215e46BfA563B2

• Deposit: 0xcF99ab8c2AABC04349139484BAFC26f480Ef4cE4