Hybrid Oracle Architecture
Hybrid oracle architecture is a design pattern that combines off-chain data computation with on-chain verification to create more reliable and faster price feeds. By utilizing a network of nodes to aggregate data from multiple sources off-chain, the system can calculate a robust median or weighted average before submitting it to the blockchain.
This approach significantly reduces the cost of on-chain gas fees and decreases the latency associated with updating prices directly on the ledger. It provides a layer of security by allowing for the detection of outliers or malicious data points before they are committed to the smart contract.
This architecture is increasingly preferred for complex financial derivatives that require frequent and accurate updates to function correctly. It represents a mature evolution in the quest for secure decentralized data delivery.