Chainlink is a decentralized network of oracles created in 2017 to solve the problem of smart contracts needing external data, such as APIs, to execute their terms. It aims to motivate a network of computers to supply dependable data for blockchain-based smart contracts. LINK tokens serve as the digital currency to pay for services on the network. Essentially, Chainlink connects data providers to blockchain smart contracts in a decentralized manner, covering data types like price feeds, randomness, medical records, weather information, and external APIs. Its reliability is maintained through a reputation system for oracles, encouraging accurate data provision. Chainlink operates via a three-step process: Oracle Selection (matching users with oracles via SLAs and bidding with LINK), Data Re...
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