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Oracles are essential components in blockchain technology that bridge the gap between the digital world of blockchains and the real-world data and events. They enable smart contracts to access and react to information from external sources, which is crucial for their functionality. By using oracles, blockchains can interact with off-chain data feeds, APIs, IoT devices, and other real-world data sources. This integration allows for the execution of smart contracts based on real-world events, making blockchain applications more versatile and applicable to various industries. In essence, oracles are the intermediaries that ensure blockchains can 'talk' to the real world, providing the necessary data inputs for decentralized applications to operate effectively.
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