Oracles & VRF
Redstone
Redstone is a modular oracle network that provides secure price feeds for blockchain protocols.
Following price feeds are provided by Redstone on Citrea Testnet: BTC/USD, ETH/USD, USDT/USD, pxETH/USD, solvBTC/USD
You can find the contract addresses & feeds on the Redstone documentation.
Blocksense
Blocksense is a decentralized oracle protocol designed to scale data feeds using zero-knowledge rollups. It allows anyone to create secure oracles through a permissionless process.
Following price feeds are provided with a Chainlink-compatible interface by Blocksense on Citrea, with a heartbeat of 5 minutes: BTC, ETH, EURC, USDT, USDC, PAXG, TBTC, WBTC, WSTETH.
You can find the contract addresses & feeds on the Blocksense documentation.
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 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 at the following addresses:
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