Oracle
Infrastructure
Service that brings external data and events on-chain.
Oracles fetch, verify, and relay real world data for smart contracts. Designs range from single providers to decentralized networks with many nodes and sources.
Frequently asked questions
What makes oracles trustworthy?
Decentralized node sets, data aggregation, clear update rules, and auditability.Can oracles push and pull data?
Yes. Some push periodic updates, others respond to on chain requests. Choose based on your app.How do I handle stale data?
Add sanity checks, timestamps, and circuit breakers in your contracts.