Chainlink is an oracle that provides off-blockchain data to smart contracts. . A white paper from September 2017 introduced chainlink for the first time. A decentralized network called Chainlink links smart contracts to outside data. In order for smart contracts to communicate with real-world events and information that reside off-blockchain, it intends to bring real-world data onto the blockchain. Chainlink was developed I n order to expand the potential uses and opportunities for smart contracts and lessen their reliance on trusted third parties. The digital asset token known as LINK is utilized on the Chainlink network to pay for services. It is constructed on Ethereum and adheres to the ERC20 token standard. LINK is exchangeable for fiat money or other virtual currencies.
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