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web3glossaryoracle
Oracle

Summary

A bridge between the on-chain and off-chain worlds that provides smart contracts with external data.

Detailed Description

Oracles are essential components in decentralized applications as they enable smart contracts to access external data sources, APIs, and real-world events. Since blockchains cannot access external data directly, oracles serve as intermediaries that fetch and verify off-chain information to be used in on-chain calculations. This allows for a variety of use cases, including decentralized finance (DeFi) applications, insurance contracts, and more.

Category
Blockchain Infrastructure
Synonyms
Smart Contract Oracle
Data Oracle

Impact Details

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DeFi Price Feeds

Oracles deliver real-time price feeds to DeFi protocols for accurate asset trading and liquidity provisioning.

Industries:

Finance
Insurance

Platforms:

Ethereum
Binance Smart Chain
Event-Triggered Contracts

Oracles can trigger smart contracts based on real-world events, like insurance contracts that pay out based on flight delays.

Industries:

Insurance

Platforms:

Ethereum
Tezos
Gaming and NFTs

Oracles can link NFT games to external events, letting gameplay be influenced by real-world occurrences.

Industries:

Gaming

Platforms:

Ethereum
Supply Chain Tracking

Oracles can track the movements of goods in supply chains, providing transparency and verifying conditions.

Industries:

Logistics
Manufacturing

Platforms:

Hyperledger
Ethereum

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