# Blockchain Data Feeds ⎊ Area ⎊ Resource 3

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## What is the Data of Blockchain Data Feeds?

Blockchain data feeds are external information sources that supply real-world data to smart contracts operating on a decentralized network. These feeds are essential for decentralized finance (DeFi) applications, particularly in derivatives markets where accurate pricing information is required for contract execution and collateral valuation. The integrity of this data is paramount, as smart contracts rely on it to trigger actions like liquidations or settlements.

## What is the Oracle of Blockchain Data Feeds?

The mechanism for delivering data feeds to the blockchain is typically facilitated by oracles, which act as bridges between off-chain data sources and on-chain protocols. Oracles aggregate data from multiple sources to ensure reliability and mitigate the risk of manipulation or single points of failure. This aggregation process is crucial for maintaining the security and trustworthiness of derivatives platforms.

## What is the Application of Blockchain Data Feeds?

In options trading and financial derivatives, data feeds enable the creation of complex financial instruments that settle based on external market events. They provide the necessary price reference for calculating margin requirements and determining payouts for derivatives contracts. The reliability of these feeds directly impacts the stability and functionality of decentralized derivatives exchanges.


---

## [Real Time Oracle Feeds](https://term.greeks.live/term/real-time-oracle-feeds/)

## [Anti-Manipulation Data Feeds](https://term.greeks.live/term/anti-manipulation-data-feeds/)

## [Model Based Feeds](https://term.greeks.live/term/model-based-feeds/)

## [Cost of Data Feeds](https://term.greeks.live/term/cost-of-data-feeds/)

---

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**Original URL:** https://term.greeks.live/area/blockchain-data-feeds/resource/3/