How do blockchain oracles work?

Oracles retrieve, verify, and transmit off-chain data to smart contracts, allowing them to execute based on real-world conditions.

What is the difference between centralized and decentralized oracles?

Centralized oracles rely on a single data source, while decentralized oracles aggregate data from multiple sources to improve accuracy and security.

Are blockchain oracles necessary for all smart contracts?

No, only smart contracts that require off-chain data need oracles. Contracts that operate solely on blockchain-stored data do not require oracle services.

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Order Book Imbalance shows the difference between buy and sell orders in the market.

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